APA-viite (7. p.)

CLELAND, D. I., & CLELAND, D. I. (1975). Systems Analysis And Project Management Second Edition/ David I. Cleland. McGraw-Hill.

Chicago-viite (17. p.)

CLELAND, David I., ja David I. CLELAND. Systems Analysis And Project Management Second Edition/ David I. Cleland. McGraw-Hill, 1975.

MLA-viite (8. p.)

CLELAND, David I., ja David I. CLELAND. Systems Analysis And Project Management Second Edition/ David I. Cleland. McGraw-Hill, 1975.