APA (7e ed.) Bronvermelding

Private Development Corporation of the Philippines. Economic and Corporate Research Office. (1980). A report on the 15th PDCP survey of business performance for 1979-80. The Corporation.

Chicago (17e ed.) Bronvermelding

Private Development Corporation of the Philippines. Economic and Corporate Research Office. A Report on the 15th PDCP Survey of Business Performance for 1979-80. [Makati: The Corporation, 1980.

MLA (9e ed.) Bronvermelding

Private Development Corporation of the Philippines. Economic and Corporate Research Office. A Report on the 15th PDCP Survey of Business Performance for 1979-80. The Corporation, 1980.