APA

Gray C. F. L. E. W., . (2001). Project management: The managerial process. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Gray Clifford F Larson Erik W, . 2001. Project management: The managerial process. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Gray C. F. L. E. W., . (2001). Project management: The managerial process. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Gray Clifford F Larson Erik W, . Project management: The managerial process. : TATA McGraw-Hill Publishing Company, New Delhi. 2001.