APA aipamena

(2002). Interactive companion (Version 3.0.). New York: McGraw-Hill.

Chicago Style aipamena

Interactive Companion. Version 3.0. New York: McGraw-Hill, 2002.

MLA aipamena

Interactive Companion. Version 3.0. New York: McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.