Ray, D. I., & Premdas, R. R. (1987). The Western Canada and Papua secessionist movements. International Centre for Ethnic Studies.
Chicago Style aipamenaRay, Donald Iain, and Ralph R. Premdas. The Western Canada and Papua Secessionist Movements. Kandy, Sri Lanka: International Centre for Ethnic Studies, 1987.
MLA aipamenaRay, Donald Iain, and Ralph R. Premdas. The Western Canada and Papua Secessionist Movements. International Centre for Ethnic Studies, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.