Schima, M. (1974). Advances in voluntary sterilization: Proceedings of the second International Conference, Geneva, Switzerland, February 25-March 1, 1973. Excerpta Medica.
Cita Chicago (17th ed.)Schima, Marilyn. Advances in Voluntary Sterilization: Proceedings of the Second International Conference, Geneva, Switzerland, February 25-March 1, 1973. Amsterdam: Excerpta Medica, 1974.
Cita MLA (9th ed.)Schima, Marilyn. Advances in Voluntary Sterilization: Proceedings of the Second International Conference, Geneva, Switzerland, February 25-March 1, 1973. Excerpta Medica, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.