World Fertility Survey & International Statistical Institute. (1973). Occasional papers. International Statistical Institute.
Chicago Style (17th ed.) CitationWorld Fertility Survey i International Statistical Institute. Occasional Papers. Voorburg: International Statistical Institute, 1973.
Cita MLAWorld Fertility Survey i International Statistical Institute. Occasional Papers. International Statistical Institute, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.