APA aipamena

Vargas, E. (1980). The environmental structures of Latin America.

Chicago Style aipamena

Vargas, Emilio. The Environmental Structures of Latin America. 1980.

MLA aipamena

Vargas, Emilio. The Environmental Structures of Latin America. 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.