Wachs, W. (1967). Successful manager's guide. Vikas Publishing House Pvt. Ltd.
Chicago Stili AlıntıWachs, William. Successful Manager's Guide. Delhi: Vikas Publishing House Pvt. Ltd, 1967.
MLA AlıntıWachs, William. Successful Manager's Guide. Vikas Publishing House Pvt. Ltd, 1967.
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