Zafra, N. (1993). The colonization of the Philippines and the beginnings of the Spanish city of Manila. National Historical Institute.
Chicago-referens (17:e uppl.)Zafra, Nicolas. The Colonization of the Philippines and the Beginnings of the Spanish City of Manila. Manila: National Historical Institute, 1993.
MLA-referens (9:e uppl.)Zafra, Nicolas. The Colonization of the Philippines and the Beginnings of the Spanish City of Manila. National Historical Institute, 1993.
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