Lancaster, G. J. (1994). Selling and sales management (3 edition.).
Chicago Style citaatLancaster, Geoffrey; Jobber. Selling and Sales Management. 3 edition. Macmillan: India, 1994.
MLA citatieLancaster, Geoffrey; Jobber. Selling and Sales Management. 3 edition. 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.