Rico, O. (1973). Advertising Cost Control Handbook. Van Nostrand Reinhold Company.
Chicago Style aipamenaRico, Ovid. Advertising Cost Control Handbook. New York: Van Nostrand Reinhold Company, 1973.
MLA aipamenaRico, Ovid. Advertising Cost Control Handbook. Van Nostrand Reinhold Company, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.