APA (7e ed.) Bronvermelding

U. S. Bureau of Insular Affairs & iGLibrary (online resource). (1911). Summary of Commerce of the Philippine Islands. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

U. S. Bureau of Insular Affairs en iGLibrary (online resource). Summary of Commerce of the Philippine Islands. Quezon City: Photoduplication Service. University of the Philippines Library, 1911.

MLA (9e ed.) Bronvermelding

U. S. Bureau of Insular Affairs en iGLibrary (online resource). Summary of Commerce of the Philippine Islands. Photoduplication Service. University of the Philippines Library, 1911.