Delgado Hermanos. (1980). El guadalete; almacen de comestibles y bebidas de Delgado Hermanos [microform]. Photoduplication Service, University of the Philippines Library.
Čikaški stil citiranja (17. izdanje)Delgado Hermanos. El Guadalete; Almacen De Comestibles Y Bebidas De Delgado Hermanos [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.
MLA način citiranja (9. izdanje)Delgado Hermanos. El Guadalete; Almacen De Comestibles Y Bebidas De Delgado Hermanos [microform]. Photoduplication Service, University of the Philippines Library, 1980.
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