APA aipamena

Barker, T. C. (1984). Shifting cultivation practices among the Ikalahans. Program on Environmental Science and Management.

Chicago Style aipamena

Barker, Thomas C. Shifting Cultivation Practices Among the Ikalahans. Los Banos, Laguna: Program on Environmental Science and Management, 1984.

MLA aipamena

Barker, Thomas C. Shifting Cultivation Practices Among the Ikalahans. Program on Environmental Science and Management, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.