Fill, C., & McKee, S. (2012). Business marketing face to face: The theory and practice of B2B. Goodfellow Publishers Ltd..
Lua i Stíl Chicago (17ú heag.)Fill, Chris, agus Scot McKee. Business Marketing Face to Face: The Theory and Practice of B2B. Oxford: Goodfellow Publishers Ltd., 2012.
Lua MLA (9ú heag.)Fill, Chris, agus Scot McKee. Business Marketing Face to Face: The Theory and Practice of B2B. Goodfellow Publishers Ltd., 2012.
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