APA aipamena

Arrieta Chavarría, O. (1993). Landscape and artificialization of the ecosystem in Sarapiqui.

Chicago Style aipamena

Arrieta Chavarría, Omar. Landscape and Artificialization of the Ecosystem in Sarapiqui. 1993.

MLA aipamena

Arrieta Chavarría, Omar. Landscape and Artificialization of the Ecosystem in Sarapiqui. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.