Callahan, M. T. (1992). Construction Project Scheduling Michael T. Callahan, Daniel G. Quackenbush, James E. Rowings. Irwin/McGraw-Hill.
Chicago Style (17. basım) AtıfCallahan, Michael T. Construction Project Scheduling Michael T. Callahan, Daniel G. Quackenbush, James E. Rowings. Irwin/McGraw-Hill, 1992.
MLA (8th ed.) AtıfCallahan, Michael T. Construction Project Scheduling Michael T. Callahan, Daniel G. Quackenbush, James E. Rowings. Irwin/McGraw-Hill, 1992.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..