Não informado. (1952). International planned parenthood news. International Planned Parenthood Federation.
Chicagoスタイル(17版)引用形式Não informado. International Planned Parenthood News. London: International Planned Parenthood Federation, 1952.
MLA(8版)引用形式Não informado. International Planned Parenthood News. International Planned Parenthood Federation, 1952.
警告: この引用は必ずしも正確ではありません.