Covarrubias - Tovar, N. (2019). A LOOK AT THE STORY OF HUMANITY AND THE PANORAMA OF SUSTAINABLE DEVELOPMENT AT THE DAWN OF THE THIRD MILLENNIUM.
استشهاد بنمط شيكاغوCovarrubias - Tovar, Natividad. A LOOK AT THE STORY OF HUMANITY AND THE PANORAMA OF SUSTAINABLE DEVELOPMENT AT THE DAWN OF THE THIRD MILLENNIUM. 2019.
MLA استشهادCovarrubias - Tovar, Natividad. A LOOK AT THE STORY OF HUMANITY AND THE PANORAMA OF SUSTAINABLE DEVELOPMENT AT THE DAWN OF THE THIRD MILLENNIUM. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.