Lamb, C. W., Jr., & Hair, J. F. (1998). Marketing (4th ed.). South-Western Pub.
Chicago Style aipamenaLamb, Charles W., Jr., and Joseph F. Hair. Marketing. 4th ed. Cincinnati, Ohio: South-Western Pub, 1998.
MLA aipamenaLamb, Charles W., et al. Marketing. 4th ed. South-Western Pub, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.