APA引文

 Gray, C. F. (2006).  Project management: The managerial process.  McGraw-Hill.

Trích dẫn kiểu Chicago

 Gray, Clifford F.  Project Management: The Managerial Process.  McGraw-Hill, 2006.

MLA引文

 Gray, Clifford F.  Project Management: The Managerial Process.  McGraw-Hill, 2006.

警告：這些引文格式不一定是100％准確.