एपीए उद्धरण

Covarrubias - Tovar, N. (2019). A LOOK AT THE STORY OF HUMANITY AND THE PANORAMA OF SUSTAINABLE DEVELOPMENT AT THE DAWN OF THE THIRD MILLENNIUM.

शिकागो स्टाइल उद्धरण

Covarrubias - Tovar, Natividad. A LOOK AT THE STORY OF HUMANITY AND THE PANORAMA OF SUSTAINABLE DEVELOPMENT AT THE DAWN OF THE THIRD MILLENNIUM. 2019.

एमएलए उद्धरण

Covarrubias - Tovar, Natividad. A LOOK AT THE STORY OF HUMANITY AND THE PANORAMA OF SUSTAINABLE DEVELOPMENT AT THE DAWN OF THE THIRD MILLENNIUM. 2019.