APA
Kotler P. D. M. P. W., . (2016). Transformational sales : making a difference with strategic customers. Cham: Springer.
Chicago
Kotler Philip Dingena Marian Pfoertsch Waldemar, . 2016. Transformational sales : making a difference with strategic customers. Cham: Springer.
Harvard
Kotler P. D. M. P. W., . (2016). Transformational sales : making a difference with strategic customers. Cham: Springer.
MLA
Kotler Philip Dingena Marian Pfoertsch Waldemar, . Transformational sales : making a difference with strategic customers. Cham: Springer. 2016.