Citazione Stile APA (7a Edizione)

Roman, D. D. (1986). Managing projects: A systems approach. Elsevier.

Citazione stile Chigago Style (17a edizione)

Roman, Daniel D. Managing Projects: A Systems Approach. New York [etc.]: Elsevier, 1986.

Citatione MLA (9a ed.)

Roman, Daniel D. Managing Projects: A Systems Approach. Elsevier, 1986.