Nag, A. (2002). Marketing strategy: Business to business consumer goods services. Macmillan.
Cita Chicago (17th ed.)Nag, A. Marketing Strategy: Business to Business Consumer Goods Services. Delhi: Macmillan, 2002.
Cita MLA (9th ed.)Nag, A. Marketing Strategy: Business to Business Consumer Goods Services. Macmillan, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.