Lasher, W. (1994). The perfect business plan made simple. New York: Doubleday.
Trích dẫn kiểu ChicagoLasher, William. The Perfect Business Plan Made Simple. New York: Doubleday, 1994.
Deismireacht MLALasher, William. The Perfect Business Plan Made Simple. New York: Doubleday, 1994.
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