APA-Zitierstil (7. Ausg.)

Ridge, W. J., & Johnson, L. E. (1973). How to control costs and improve profits through the effective management of computer software. Dow Jones-Irwin.

Chicago-Zitierstil (17. Ausg.)

Ridge, Warren J., und Leann E. Johnson. How to Control Costs and Improve Profits Through the Effective Management of Computer Software. Homewood, Ill: Dow Jones-Irwin, 1973.

MLA-Zitierstil (9. Ausg.)

Ridge, Warren J., und Leann E. Johnson. How to Control Costs and Improve Profits Through the Effective Management of Computer Software. Dow Jones-Irwin, 1973.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.