Tripathi, P. (2018). Principles of Management (6th.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Tripathi, P.C. Principles of Management. 6th. McGraw Hill, 2018.
Lua MLA (9ú heag.)Tripathi, P.C. Principles of Management. 6th. McGraw Hill, 2018.
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