Stern, L. w. (1999). Marketing Channels. Prentice-Hall of India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Stern, Louis w. Marketing Channels. Delhi: Prentice-Hall of India Pvt. Ltd, 1999.
Lua MLA (9ú heag.)Stern, Louis w. Marketing Channels. Prentice-Hall of India Pvt. Ltd, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.