Cron, W. L., Dalrymple, D. J., & DeCarlo, T. E. (2006). Dalrymple's sales management (Ninth edition.). John Wiley & Sons, Inc.
Lua i Stíl Chicago (17ú heag.)Cron, William L., Douglas J. Dalrymple, agus Thomas E. DeCarlo. Dalrymple's Sales Management. Ninth edition. Hoboken, N. J: John Wiley & Sons, Inc, 2006.
Lua MLA (9ú heag.)Cron, William L., et al. Dalrymple's Sales Management. Ninth edition. John Wiley & Sons, Inc, 2006.
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