Dependencies Injection error in modules - angularjs

Question

I have the module of my application:
angular.module('app', ['app.controllers','app.routes','app.services']);
I have my services module:
angular.app('app.services', [])
.factory('usuarioService', ['$rootScope', 'renderService',
function($rootScope, renderService){
// logic of factory
}]);
angular.module('app.services', [])
.factory('renderService', ['$http',
function($http){
// logic of factory
}]);
and I have my controller:
angular.module('app.controllers', ['app.services'])
.controller('meuCtrl',
['$scope','$rootScope','usuarioService','renderservice',
function($scope, $rootScope, usuarioService, renderService){
// logic of controller
}]);
But to run the application, I get dependencies injection error:
Unknown provider: usuarioServiceProvider <- usuarioService <- meuCtrl
I do not understand what might be going on, as do the injection into appropriate location.
unless I'm doing wrong these injections.
PS .: All .JS files are being loaded into index.html, none have been forgotten.

Answer 1

Your usuarioService factory declaration is incorrectly adding itself to a non-existent member of the angular object.
You have:
angular.app('app.services', []) // note the 'app' usage
.factory('usuarioService', ['$rootScope', 'renderService',
You should have
angular.module('app.services', []) // note the 'module' usage
.factory('usuarioService', ['$rootScope', 'renderService',

Answer 2

Try this
angular.module('app.services')
.factory('renderService', ['$http', function($http) {
//logic
return renderService;
}]);
angular.module('app.services')
.factory('usuarioService', ['$rootScope', 'renderService',function($rootScope,renderService) {
//logic
return renderService;
}]);
angular.module('app.controllers', ['app.services'])
.controller('meuCtrl',
['$scope','$rootScope','usuarioService','renderservice',
function($scope, $rootScope, usuarioService, renderService){
// logic of controller
}]);