Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.