APA aipamena

Chaverri, A. (1984). A system of private biological reserves for Costa Rica.

Chicago Style aipamena

Chaverri, Adelaila. A System of Private Biological Reserves for Costa Rica. 1984.

MLA aipamena

Chaverri, Adelaila. A System of Private Biological Reserves for Costa Rica. 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.