International Planned Parenthood Federation. (1963). Proceedings of the third conference of the region for Europe, Near East and Africa, June 5-8, 1962, Warsaw, Poland. Excerpta Medica Foundation.
Cita Chicago (17th ed.)International Planned Parenthood Federation. Proceedings of the Third Conference of the Region for Europe, Near East and Africa, June 5-8, 1962, Warsaw, Poland. Amsterdam: Excerpta Medica Foundation, 1963.
Cita MLA (9th ed.)International Planned Parenthood Federation. Proceedings of the Third Conference of the Region for Europe, Near East and Africa, June 5-8, 1962, Warsaw, Poland. Excerpta Medica Foundation, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.