Kalaw, P. V. (1976). Osmena--from newspaperman to president [microform]. Photoduplication Service, University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Kalaw, Pura Villanueva. Osmena--from Newspaperman to President [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Цитирование MLA (9-е изд.)Kalaw, Pura Villanueva. Osmena--from Newspaperman to President [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.