Dyfyniad APA

Underwood, B. J., & Shaughnessy, J. J. (1975). Experimentation in psychology. Wiley.

Dyfyniad Arddull Chicago

Underwood, Benton J., and John J. Shaughnessy. Experimentation in Psychology. New York: Wiley, 1975.

Dyfyniad MLA

Underwood, Benton J., and John J. Shaughnessy. Experimentation in Psychology. Wiley, 1975.

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