Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Barker, Thomas C. Shifting Cultivation Among the Ikalahans. College, Laguna: Program on Environmental Science and Management, UPLB, 1984.

Citatione MLA (9a ed.)

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