Harris, M. M. (1981). The commissions are bigger! the bonuses are higher!: A guide to selling big-ticket goods and services. Dow Jones-Irwin.
Citace podle Chicago (17th ed.)Harris, Milton M. The Commissions Are Bigger! the Bonuses Are Higher!: A Guide to Selling Big-ticket Goods and Services. Homewood, Ill: Dow Jones-Irwin, 1981.
Citace podle MLA (9th ed.)Harris, Milton M. The Commissions Are Bigger! the Bonuses Are Higher!: A Guide to Selling Big-ticket Goods and Services. Dow Jones-Irwin, 1981.
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