APA aipamena

Norman, D. A. (1988). The design of everyday things. New York: Doubleday.

Chicago Style aipamena

Norman, Donald A. The Design of Everyday Things. New York: Doubleday, 1988.

MLA aipamena

Norman, Donald A. The Design of Everyday Things. New York: Doubleday, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.