Youdale, P. (1972). Setting up an effective marketing operation. Business.
Chicago Style aipamenaYoudale, P.J. Setting Up an Effective Marketing Operation. London: Business, 1972.
MLA aipamenaYoudale, P.J. Setting Up an Effective Marketing Operation. Business, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.