Παραπομπή APA

Bolling, C., & Rogers, L. (1970). Sales management. Pitman.

Παραπομπή Chicago Style

Bolling, Cunliffe, και L.A Rogers. Sales Management. London: Pitman, 1970.

Παραπομπή MLA

Bolling, Cunliffe, και L.A Rogers. Sales Management. Pitman, 1970.