APA (7e ed.) Bronvermelding

Vibo y Inderias, G. (1979). Breve compendio de gramatica iloco-castellana [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Vibo y Inderias, Gabriel. Breve Compendio De Gramatica Iloco-castellana [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.

MLA (9e ed.) Bronvermelding

Vibo y Inderias, Gabriel. Breve Compendio De Gramatica Iloco-castellana [microform]. Photoduplication Service. University of the Philippines Library, 1979.