Παραπομπή σε μορφή APA (7η εκδ.)

Aggabao, M. T. R. (2004). Ethnicity and innovativeness among the Ifugaos in the northern Sierra Madre mountain range.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Aggabao, Ma. Theresa Ramos. Ethnicity and Innovativeness Among the Ifugaos in the Northern Sierra Madre Mountain Range. 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Aggabao, Ma. Theresa Ramos. Ethnicity and Innovativeness Among the Ifugaos in the Northern Sierra Madre Mountain Range. 2004.