Bingham, F. G., Jr, Gomes, R., & Knowles, P. A. (2005). Business Marketing (3rd ed.). গপএৎধ-িঐরষষ/ওৎরিহ.
Lua i Stíl Chicago (17ú heag.)Bingham, Frank G., Jr, Roger Gomes, agus Patricia A. Knowles. Business Marketing. 3rd ed. Boston: গপএৎধ-িঐরষষ/ওৎরিহ, 2005.
Lua MLA (9ú heag.)Bingham, Frank G., Jr, et al. Business Marketing. 3rd ed. গপএৎধ-িঐরষষ/ওৎরিহ, 2005.
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