APA-čujuhus (7. p.)
Zachariah, P. a. R. (1996). Encyclopedia of Economics, Commerce & Management: Vol. 13 Project management (ed.). Mittal.
Chicago-čujuhus (17. p.)
Zachariah, Peter and Rajpal. Encyclopedia of Economics, Commerce & Management: Vol. 13 Project Management. ed. New Delhi: Mittal, 1996.
MLA-čujuhus (9. p.)
Zachariah, Peter and Rajpal. Encyclopedia of Economics, Commerce & Management: Vol. 13 Project Management. ed. Mittal, 1996.
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