Villers, R. (1964). Research and development: Planning and control. Financial Executives Institute.
Chicago-Zitierstil (17. Ausg.)Villers, Raymond. Research and Development: Planning and Control. [New York: Financial Executives Institute, 1964.
MLA-Zitierstil (9. Ausg.)Villers, Raymond. Research and Development: Planning and Control. Financial Executives Institute, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.