Welch, J. &. B. (2001). Jack: Straight from the gut. Warner Books.
Chicago Style aipamenaWelch, Jack & Byrne. Jack: Straight from the Gut. New York: Warner Books, 2001.
MLA aipamenaWelch, Jack & Byrne. Jack: Straight from the Gut. Warner Books, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.