Παραπομπή APA

Underwood,Benton J, & Shaughinessy,John J. (1975). Experimentation in Psychology. John Wiley and Sons,inc.

Παραπομπή Chicago Style

Underwood,Benton J, και Shaughinessy,John J. Experimentation in Psychology. New York: John Wiley and Sons,inc, 1975.

Παραπομπή MLA

Underwood,Benton J, και Shaughinessy,John J. Experimentation in Psychology. John Wiley and Sons,inc, 1975.