Halpin, D. W., & Daniel W. Halpin and Leland S. Riggs. (1992). Planning and Analysis of Construction Operations. New York: Wiley-Interscience.
Čikaški stil citiranjaHalpin, Daniel W., i Daniel W. Halpin and Leland S. Riggs. Planning and Analysis of Construction Operations. New York: Wiley-Interscience, 1992.
MLA način citiranjaHalpin, Daniel W., i Daniel W. Halpin and Leland S. Riggs. Planning and Analysis of Construction Operations. New York: Wiley-Interscience, 1992.
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