Poltrick, T. (1987). Markerting media decision. A.M.A.
Chicago Style aipamenaPoltrick, T. Markerting Media Decision. New York: A.M.A, 1987.
MLA aipamenaPoltrick, T. Markerting Media Decision. A.M.A, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.