Dyfyniad APA
Durand, V. M., & Barlow David H. (2010). Essentials of Abnormal Psychology [accompanied by CDROM] (5th ed.). Wadsworth.
Dyfyniad Arddull Chicago
Durand, V. Mark, and Barlow David H. Essentials of Abnormal Psychology [accompanied by CDROM]. 5th ed. Belmont, CA: Wadsworth, 2010.
Dyfyniad MLA
Durand, V. Mark, and Barlow David H. Essentials of Abnormal Psychology [accompanied by CDROM]. 5th ed. Wadsworth, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.