Dyfyniad APA

Roberts. A Complicated Pregnancy. Augsburg Fortress Publishers.

Dyfyniad Arddull Chicago

Roberts. A Complicated Pregnancy. Augsburg Fortress Publishers.

Dyfyniad MLA

Roberts. A Complicated Pregnancy. Augsburg Fortress Publishers.

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