Dyfyniad APA

London, P., Ashby, W. R., & Rosenhan, D. L. (1968). Foundations of abnormal psychology. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

London, Perry, William Ross Ashby, and David L. Rosenhan. Foundations of Abnormal Psychology. New York: Holt, Rinehart and Winston, 1968.

Dyfyniad MLA

London, Perry, et al. Foundations of Abnormal Psychology. Holt, Rinehart and Winston, 1968.

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