Fishman, C. (2011). The Wal-Mart effect. Penguin Group.
Chicago Style aipamenaFishman, Charles. The Wal-Mart Effect. New York: Penguin Group, 2011.
MLA aipamenaFishman, Charles. The Wal-Mart Effect. Penguin Group, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.