APA
Charles M.Futrell, . (2006). Fundamentals of selling. New York: McGraw - Hill.
Chicago
Charles M.Futrell, . 2006. Fundamentals of selling. New York: McGraw - Hill.
Harvard
Charles M.Futrell, . (2006). Fundamentals of selling. New York: McGraw - Hill.
MLA
Charles M.Futrell, . Fundamentals of selling. New York: McGraw - Hill. 2006.