Citazione Stile APA (7a Edizione)

CLELAND, D. I., & KING, W. R. (1987). Systems analysis and project management.-- Ed.3. McGraw-Hill Boook.

Citazione stile Chigago Style (17a edizione)

CLELAND, David I., e William R. KING. Systems Analysis and Project Management.-- Ed.3. Auckland: McGraw-Hill Boook, 1987.

Citatione MLA (9a ed.)

CLELAND, David I., e William R. KING. Systems Analysis and Project Management.-- Ed.3. McGraw-Hill Boook, 1987.