Vinacke, W. E. (1952). The psychology of thinking. McGraw-Hill.
Chicago Style aipamenaVinacke, William Edgar. The Psychology of Thinking. New York: McGraw-Hill, 1952.
MLA aipamenaVinacke, William Edgar. The Psychology of Thinking. McGraw-Hill, 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.