402388 Cleland, D. I., & Ireland, L. R. (2004). Project manager's portable handbook / David I. Cleland, Lewis R. Ireland. New York : McGraw-Hill.
Chicago-čujuhus (17. p.)402388 Cleland, David I., juo Lewis R. Ireland. Project Manager's Portable Handbook / David I. Cleland, Lewis R. Ireland. New York : McGraw-Hill, 2004.
MLA-čujuhus (9. p.)402388 Cleland, David I., juo Lewis R. Ireland. Project Manager's Portable Handbook / David I. Cleland, Lewis R. Ireland. New York : McGraw-Hill, 2004.
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