Quirino, C., & Laygo, A. (1975). Regesto guion catalogode los documentos existentes en Mexico sobre Filipinas [microform]. Photoduplication Service University of the Philippines Library.
Čikaški stil citiranja (17. izdanje)Quirino, Carlos, i Abraham Laygo. Regesto Guion Catalogode Los Documentos Existentes En Mexico Sobre Filipinas [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1975.
MLA način citiranja (9. izdanje)Quirino, Carlos, i Abraham Laygo. Regesto Guion Catalogode Los Documentos Existentes En Mexico Sobre Filipinas [microform]. Photoduplication Service University of the Philippines Library, 1975.
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