International Statistical Institute. (1979). Republic of the Philippines fertility survey, 1978: A summary of findings. International Statistical Institute.
Citazione stile Chigago Style (17a edizione)International Statistical Institute. Republic of the Philippines Fertility Survey, 1978: A Summary of Findings. Voorburg, The Netherlands: International Statistical Institute, 1979.
Citatione MLA (9a ed.)International Statistical Institute. Republic of the Philippines Fertility Survey, 1978: A Summary of Findings. International Statistical Institute, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.