World Association of Perinatal Medicine. (1973). Journal of Perinatal Medicine. Walter de Gruyter.
Chicagoスタイル(17版)引用形式World Association of Perinatal Medicine. Journal of Perinatal Medicine. Berlin: Walter de Gruyter, 1973.
MLA(8版)引用形式World Association of Perinatal Medicine. Journal of Perinatal Medicine. Walter de Gruyter, 1973.
警告: この引用は必ずしも正確ではありません.