Dyfyniad APA

Wells, R. (1994). Girl or boy: Choose the sex of your baby 1994. UBS Publishers Distributers.

Dyfyniad Arddull Chicago

Wells, Ronald. Girl or Boy: Choose the Sex of Your Baby 1994. New Delhi: UBS Publishers Distributers, 1994.

Dyfyniad MLA

Wells, Ronald. Girl or Boy: Choose the Sex of Your Baby 1994. UBS Publishers Distributers, 1994.

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