Παραπομπή APA

Waller, n. (1976). Sales and marketing management. ISE publications limited.

Παραπομπή Chicago Style

Waller, navid. Sales and Marketing Management. Harpenden: ISE publications limited, 1976.

Παραπομπή MLA

Waller, navid. Sales and Marketing Management. ISE publications limited, 1976.