APA (7th ed.) Zitazioa
(2012). American buyers: Demographics of shopping (Second edition.). New Strategist Publishing.
Chicago Style (17th ed.) Zitazioa
American Buyers: Demographics of Shopping. Second edition. Amityville, New York: New Strategist Publishing, 2012.
MLA (9th ed.) Zitazioa
American Buyers: Demographics of Shopping. Second edition. New Strategist Publishing, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.