威廉 & 胡东霞. (2008). 最快速怀孕: Fastest way to get pregnant naturally. 北方文艺出版社.
Dyfyniad Arddull Chicago威廉 and 胡东霞. 最快速怀孕: Fastest Way to Get Pregnant Naturally. 北方文艺出版社, 2008.
Dyfyniad MLA威廉 and 胡东霞. 最快速怀孕: Fastest Way to Get Pregnant Naturally. 北方文艺出版社, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.