Foster, T. R. V. (1992). 101 ways to get more business. USB publishers Distr. Ltd..
Chicago-viite (17. p.)Foster, Timothy R. V. 101 Ways to Get More Business. New Delhi: USB publishers Distr. Ltd., 1992.
MLA-viite (8. p.)Foster, Timothy R. V. 101 Ways to Get More Business. USB publishers Distr. Ltd., 1992.
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