Fojas, A. A. (1977). Ang ABC ng mangagawang Pilipino [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)Fojas, Alejandro Arca. Ang ABC Ng Mangagawang Pilipino [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Fojas, Alejandro Arca. Ang ABC Ng Mangagawang Pilipino [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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