APA (7e ed.) Bronvermelding

Orbeta, A. C. J., Belizario, M., & Lavina, E. (1998). Population and Development Planning (PDP) Model: The 1998 update. NEDA/PIDS.

Chicago (17e ed.) Bronvermelding

Orbeta, Aniceto C. Jr, Mildred Belizario, en Edith Lavina. Population and Development Planning (PDP) Model: The 1998 Update. Makati: NEDA/PIDS, 1998.

MLA (9e ed.) Bronvermelding

Orbeta, Aniceto C. Jr, et al. Population and Development Planning (PDP) Model: The 1998 Update. NEDA/PIDS, 1998.