World Health Organization. (1998). Health workers manual on family planning options (Second.). World Health Organization.
Chicagoスタイル(17版)引用形式World Health Organization. Health Workers Manual on Family Planning Options. Second. Geneva: World Health Organization, 1998.
MLA(8版)引用形式World Health Organization. Health Workers Manual on Family Planning Options. Second. World Health Organization, 1998.
警告: この引用は必ずしも正確ではありません.