Manning, G. L. R. (2002). Selling today: Building quality partnerships (8 edition.).
Chicago Edition CitationManning, Gerald L; Reece. Selling Today: Building Quality Partnerships. 8 edition. Pearson Education (Singapore) Pte. Ltd., Delhi, 2002.
Cita MLAManning, Gerald L; Reece. Selling Today: Building Quality Partnerships. 8 edition. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.