Citazione Stile APA (7a Edizione)

Turner, W. S. (1987). System development methodology (Completely revised edition : First printing.). North-Holland Publishing Company.

Citazione stile Chigago Style (17a edizione)

Turner, William Stephen. System Development Methodology. Completely revised edition : First printing. Amsterdam ; New York ; Oxford: North-Holland Publishing Company, 1987.

Citatione MLA (9a ed.)

Turner, William Stephen. System Development Methodology. Completely revised edition : First printing. North-Holland Publishing Company, 1987.