APA aipamena

(1992). Orangutan Population And Habitat Viability Analysis Workshop. s.n.

Chicago Style aipamena

Orangutan Population And Habitat Viability Analysis Workshop. s.n, 1992.

MLA aipamena

Orangutan Population And Habitat Viability Analysis Workshop. s.n, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.