APA
Hill R. M. a. o., . (2004). Industrial Marketing. New Delhi: Academic Faundation.
Chicago
Hill Richard M and others, . 2004. Industrial Marketing. New Delhi: Academic Faundation.
Harvard
Hill R. M. a. o., . (2004). Industrial Marketing. New Delhi: Academic Faundation.
MLA
Hill Richard M and others, . Industrial Marketing. New Delhi: Academic Faundation. 2004.