APA aipamena

Howe, R. J. (1993). Quality on trial. New York: West Publishing Company.

Chicago Style aipamena

Howe, Roger J. Quality On Trial. New York: West Publishing Company, 1993.

MLA aipamena

Howe, Roger J. Quality On Trial. New York: West Publishing Company, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.