Kendall, G. I. (2004). Viable vision: Transforming total sales into net profits. J. Ross Pub..
Lua i Stíl Chicago (17ú heag.)Kendall, Gerald I. Viable Vision: Transforming Total Sales into Net Profits. Boca Raton, FL: J. Ross Pub., 2004.
Lua MLA (9ú heag.)Kendall, Gerald I. Viable Vision: Transforming Total Sales into Net Profits. J. Ross Pub., 2004.
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