Sharma, S. D. (1999). Marketing strategies and new challenges. Anmol.
Chicago Style aipamenaSharma, S. D. Marketing Strategies and New Challenges. New Delhi: Anmol, 1999.
MLA aipamenaSharma, S. D. Marketing Strategies and New Challenges. Anmol, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.