VENUGOPAL PINGALI. (2001). MARKETING CHANNEL MANAGEMENT: A CUSTOMER.CENTRIC APPROACH. RESPONSE BOOKS.
Lua i Stíl Chicago (17ú heag.)VENUGOPAL PINGALI. MARKETING CHANNEL MANAGEMENT: A CUSTOMER.CENTRIC APPROACH. NEW DELHI: RESPONSE BOOKS, 2001.
Lua MLA (9ú heag.)VENUGOPAL PINGALI. MARKETING CHANNEL MANAGEMENT: A CUSTOMER.CENTRIC APPROACH. RESPONSE BOOKS, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.