International Planned Parenthood Federation. (1992). People & the Planet. Planet.
Chicagoスタイル(17版)引用形式International Planned Parenthood Federation. People & the Planet. London: Planet, 1992.
MLA(8版)引用形式International Planned Parenthood Federation. People & the Planet. Planet, 1992.
警告: この引用は必ずしも正確ではありません.