Dyfyniad APA
George, A., & Janssen, A. (1994). Goodbye is not forever. Harvest House Publishers.
Dyfyniad Arddull Chicago
George, Amy, and Al Janssen. Goodbye Is Not Forever. Eugene, OR: Harvest House Publishers, 1994.
Dyfyniad MLA
George, Amy, and Al Janssen. Goodbye Is Not Forever. Harvest House Publishers, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.