O'Neill, H., & Koering, U. (1976). The picture story of the Philippines [microform]. Photoduplication Service, University of the Philippines Library.
Citación estilo ChicagoO'Neill, Hester, and Ursula Koering. The Picture Story of the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Cita MLAO'Neill, Hester, and Ursula Koering. The Picture Story of the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Warning: These citations may not always be 100% accurate.