एपीए उद्धरण

Alfaro Vargas, R. (2016). The cateories of “the abstract” and “the concrete”.

शिकागो स्टाइल उद्धरण

Alfaro Vargas, Roy. The Cateories of “the Abstract” and “the Concrete”. 2016.

एमएलए उद्धरण

Alfaro Vargas, Roy. The Cateories of “the Abstract” and “the Concrete”. 2016.