Παραπομπή σε μορφή APA (7η εκδ.)

Russell, S. D. (1989). Informal credit and commodity trade in Benguet, upland Luzon. Cordillera Studies Center, University of the Philippines College Baguio.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Russell, Susan D. Informal Credit and Commodity Trade in Benguet, Upland Luzon. Baguio City: Cordillera Studies Center, University of the Philippines College Baguio, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Russell, Susan D. Informal Credit and Commodity Trade in Benguet, Upland Luzon. Cordillera Studies Center, University of the Philippines College Baguio, 1989.