National Export Coordinating Center & Philippines Board of Investments Institute of Export Development. (1971). Philippine exports directory (1970-71--1986-87.). Published under the auspices of the Institute of Export Development, Board of Investments.
Style de citation Chicago (17e éd.)National Export Coordinating Center et Philippines Board of Investments Institute of Export Development. Philippine Exports Directory. 1970-71--1986-87. Makati, Rizal: Published under the auspices of the Institute of Export Development, Board of Investments, 1971.
Style de citation MLA (9e éd.)National Export Coordinating Center et Philippines Board of Investments Institute of Export Development. Philippine Exports Directory. 1970-71--1986-87. Published under the auspices of the Institute of Export Development, Board of Investments, 1971.