Shaffer, L. R., Meyer, W., & Ritter, J. (1965). The critical-path method. McGraw-Hill.
Chicago Style aipamenaShaffer, Louis Richard, W.L Meyer, and J.B Ritter. The Critical-path Method. New York: McGraw-Hill, 1965.
MLA aipamenaShaffer, Louis Richard, et al. The Critical-path Method. McGraw-Hill, 1965.
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