The Population Council. (1970). A manual for surveys of fertility and family planning: Knowledge, attitudes, and practice. The population Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)The Population Council. A Manual for Surveys of Fertility and Family Planning: Knowledge, Attitudes, and Practice. New York: The population Council, 1970.
Παραπομπή σε μορφή MLA (9th εκδ.)The Population Council. A Manual for Surveys of Fertility and Family Planning: Knowledge, Attitudes, and Practice. The population Council, 1970.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.