O'Neill, H., & Koering, U. (1976). The picture story of the Philippines [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)O'Neill, Hester, a Ursula Koering. The Picture Story of the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Citace podle MLA (9th ed.)O'Neill, Hester, a Ursula Koering. The Picture Story of the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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