International Journal of Childbirth Education. International Childbirth Education Association.
Chicagoスタイル(17版)引用形式International Journal of Childbirth Education. International Childbirth Education Association.
MLA(8版)引用形式International Journal of Childbirth Education. International Childbirth Education Association.
警告: この引用は必ずしも正確ではありません.