Παραπομπή APA

Manning, G. L. R. (2002). Selling today: Building quality partnerships (8 edition.).

Παραπομπή Chicago Style

Manning, Gerald L; Reece. Selling Today: Building Quality Partnerships. 8 edition. Pearson Education (Singapore) Pte. Ltd., Delhi, 2002.

Παραπομπή MLA

Manning, Gerald L; Reece. Selling Today: Building Quality Partnerships. 8 edition. 2002.