Philippine Islands.Bureau of Education & Miller, H. H. (1977). Commercial geography: The materials of commerce for the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Citação do estilo Chicago (17ª ed.)Philippine Islands.Bureau of Education e Hugo H. Miller. Commercial Geography: The Materials of Commerce for the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citação MLA (9ª ed.)Philippine Islands.Bureau of Education e Hugo H. Miller. Commercial Geography: The Materials of Commerce for the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.