Nag, A. (2002). Marketing strategy: Business to business consumer goods services. Macmillan.
Chicago Style aipamenaNag, A. Marketing Strategy: Business to Business Consumer Goods Services. Delhi: Macmillan, 2002.
MLA aipamenaNag, A. Marketing Strategy: Business to Business Consumer Goods Services. Macmillan, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.