Turner, W. S. (1987). System development methodology (Completely revised edition : First printing.). North-Holland Publishing Company.
Chicago-Zitierstil (17. Ausg.)Turner, William Stephen. System Development Methodology. Completely revised edition : First printing. Amsterdam ; New York ; Oxford: North-Holland Publishing Company, 1987.
MLA-Zitierstil (9. Ausg.)Turner, William Stephen. System Development Methodology. Completely revised edition : First printing. North-Holland Publishing Company, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.