Dyfyniad APA

(1990). The good housekeeping illustrated book of pregnancy and baby care. Hearst books.

Dyfyniad Arddull Chicago

The Good Housekeeping Illustrated Book of Pregnancy and Baby Care. New York: Hearst books, 1990.

Dyfyniad MLA

The Good Housekeeping Illustrated Book of Pregnancy and Baby Care. Hearst books, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.