APA aipamena

Hilje, L. (2017). Adelaida Chaverri: The First Costa Rican Naturalist and Conservationist.

Chicago Style aipamena

Hilje, Luko. Adelaida Chaverri: The First Costa Rican Naturalist and Conservationist. 2017.

MLA aipamena

Hilje, Luko. Adelaida Chaverri: The First Costa Rican Naturalist and Conservationist. 2017.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.