Garcia Mazo, S. J. (1976). Casaysayan nang doctrina Cristianang napapalaman sa catecismong quinat-ha nang P. Astete na nauucol naman sa quinat-ha nang P. Ripalde [microform] (Icalauang palimbag.). Photoduplication Service, University of the Philippines Library.
Cita Chicago (17th ed.)Garcia Mazo, Santiago Jose. Casaysayan Nang Doctrina Cristianang Napapalaman Sa Catecismong Quinat-ha Nang P. Astete Na Nauucol Naman Sa Quinat-ha Nang P. Ripalde [microform]. Icalauang palimbag. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Cita MLA (9th ed.)Garcia Mazo, Santiago Jose. Casaysayan Nang Doctrina Cristianang Napapalaman Sa Catecismong Quinat-ha Nang P. Astete Na Nauucol Naman Sa Quinat-ha Nang P. Ripalde [microform]. Icalauang palimbag. Photoduplication Service, University of the Philippines Library, 1976.