Παραπομπή APA

tack. (1962). Confrences and sales incentvies: Hand book. Tack publications.

Παραπομπή Chicago Style

tack. Confrences and Sales Incentvies: Hand Book. Great Briton: Tack publications, 1962.

Παραπομπή MLA

tack. Confrences and Sales Incentvies: Hand Book. Tack publications, 1962.