APA (7e ed.) Bronvermelding

Philippines. National Export Coordinating Center, Philippines. Board of Investments, & Philippines. Bureau of Commerce. (1971). Philippine export directory, 1970-71. Institute of Export Development.

Chicago (17e ed.) Bronvermelding

Philippines. National Export Coordinating Center, Philippines. Board of Investments, en Philippines. Bureau of Commerce. Philippine Export Directory, 1970-71. Makati: Institute of Export Development, 1971.

MLA (9e ed.) Bronvermelding

Philippines. National Export Coordinating Center, et al. Philippine Export Directory, 1970-71. Institute of Export Development, 1971.