APA aipamena

Richard, Y. C. (1994). Improving through bench marking. Wheeler.

Chicago Style aipamena

Richard, Y. Chang. Improving Through Bench Marking. Wheeler, 1994.

MLA aipamena

Richard, Y. Chang. Improving Through Bench Marking. Wheeler, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.