Peterson, R. (1988). Journel of marketing research. A.M.A.
Chicago Style aipamenaPeterson, R.A. Journel of Marketing Research. Chicago: A.M.A, 1988.
MLA aipamenaPeterson, R.A. Journel of Marketing Research. A.M.A, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.