Forsyth, P. (1988). Sales management handbook. Gower Pub. Co..
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Tohutoru Kātū Chicago (17th ed.)
Forsyth, Patrick. Sales Management Handbook. Aldershot, Hants, England ; Brookfield, Vt., U.S.A.: Gower Pub. Co., 1988.
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Tohutoro MLA (9th ed.)
Forsyth, Patrick. Sales Management Handbook. Gower Pub. Co., 1988.
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