Dyfyniad APA

Allen, J. E. (1973). The early years of marriage. Graded.

Dyfyniad Arddull Chicago

Allen, James E. The Early Years of Marriage. Nashville: Graded, 1973.

Dyfyniad MLA

Allen, James E. The Early Years of Marriage. Graded, 1973.

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