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