Soderlind,Steven D. (2004). Consumer economics: A practical overview. Spring Books.
Chicago Style aipamenaSoderlind,Steven D. Consumer Economics: A Practical Overview. New York: Spring Books, 2004.
MLA aipamenaSoderlind,Steven D. Consumer Economics: A Practical Overview. Spring Books, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.