The Population Council. (1970). A manual for surveys of fertility and family planning: Knowledge, attitudes, and practice. The population Council.
Chicago-viite (17. p.)The Population Council. A Manual for Surveys of Fertility and Family Planning: Knowledge, Attitudes, and Practice. New York: The population Council, 1970.
MLA-viite (9. p.)The Population Council. A Manual for Surveys of Fertility and Family Planning: Knowledge, Attitudes, and Practice. The population Council, 1970.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.