APA-viite (7. p.)

Ray, W. J. (2000). Methods toward a science of behavior and experience (6th ed.). Wadsworth.

Chicago-viite (17. p.)

Ray, William J. Methods Toward a Science of Behavior and Experience. 6th ed. Belmont, CA: Wadsworth, 2000.

MLA-viite (9. p.)

Ray, William J. Methods Toward a Science of Behavior and Experience. 6th ed. Wadsworth, 2000.