Παραπομπή σε μορφή APA (7η εκδ.)

Guy, G. S. (1958). Economic life of the mountain tribes of northern Luzon, Philippines. University of Manila.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Guy, George Sy-Chuan. Economic Life of the Mountain Tribes of Northern Luzon, Philippines. [Manila: University of Manila, 1958.

Παραπομπή σε μορφή MLA (9th εκδ.)

Guy, George Sy-Chuan. Economic Life of the Mountain Tribes of Northern Luzon, Philippines. University of Manila, 1958.