Zachariah, P. a. R. (1996). Encyclopedia of economics, commerce & management -1: Vol.1: management principles and practices (ed.). Mittal.
Chicago-viite (17. p.)Zachariah, Peter and Rajpal. Encyclopedia of Economics, Commerce & Management -1: Vol.1: Management Principles and Practices. ed. New Delhi: Mittal, 1996.
MLA-viite (9. p.)Zachariah, Peter and Rajpal. Encyclopedia of Economics, Commerce & Management -1: Vol.1: Management Principles and Practices. ed. Mittal, 1996.
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