APA-čujuhus (7. p.)
Leboff, G. (2007). Sales therapy?: Effective selling for the small business owner. Capstone Pub..
Chicago-čujuhus (17. p.)
Leboff, Grant. Sales Therapy?: Effective Selling for the Small Business Owner. Hoboken, NJ: Capstone Pub., 2007.
MLA-čujuhus (9. p.)
Leboff, Grant. Sales Therapy?: Effective Selling for the Small Business Owner. Capstone Pub., 2007.
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