Futrell Charles M. (2014). Fundamentals of Selling (12th.). McGraw Hill.
Chicago Style aipamenaFutrell Charles M. Fundamentals of Selling. 12th. New Delhi: McGraw Hill, 2014.
MLA aipamenaFutrell Charles M. Fundamentals of Selling. 12th. McGraw Hill, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.