Cita APA

Spillard, P. (1975). Sales promotion (2nd ed.). Business books.

Chicago Edition Citation

Spillard, P. Sales Promotion. 2nd ed. Business books, 1975.

Cita MLA

Spillard, P. Sales Promotion. 2nd ed. Business books, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.