Dyfyniad APA

EXERCISE IN .. & MITTELMARK, R. A. (1991). Exercise in pregnancy.-- ed.2. Williams and Wilkins.

Dyfyniad Arddull Chicago

EXERCISE IN .. and Raul Artal MITTELMARK. Exercise in Pregnancy.-- Ed.2. Baltimore: Williams and Wilkins, 1991.

Dyfyniad MLA

EXERCISE IN .. and Raul Artal MITTELMARK. Exercise in Pregnancy.-- Ed.2. Williams and Wilkins, 1991.

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