Shajahan, S. (2001). New product strategy and management. Himalaya publishing house.
Chicago Style aipamenaShajahan, S. New Product Strategy and Management. Mumbai: Himalaya publishing house, 2001.
MLA aipamenaShajahan, S. New Product Strategy and Management. Himalaya publishing house, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.