Dyfyniad APA

CALLAHAN, M. T. (1992). Construction Project Scheduling Michael T. Callahan, Daniel G. Quackenbush. McGraw-Hill.

Dyfyniad Arddull Chicago

CALLAHAN, Michael T. Construction Project Scheduling Michael T. Callahan, Daniel G. Quackenbush. McGraw-Hill, 1992.

Dyfyniad MLA

CALLAHAN, Michael T. Construction Project Scheduling Michael T. Callahan, Daniel G. Quackenbush. McGraw-Hill, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.