APA-viite (7. p.)

Gray, C. F., & Larson, E. W. (2008). Project management: The managerial process (4th ed.). McGraw-Hill/Irwin.

Chicago-viite (17. p.)

Gray, Clifford F., ja Erik W. Larson. Project Management: The Managerial Process. 4th ed. Boston: McGraw-Hill/Irwin, 2008.

MLA-viite (9. p.)

Gray, Clifford F., ja Erik W. Larson. Project Management: The Managerial Process. 4th ed. McGraw-Hill/Irwin, 2008.