Não informado. (1931). Credit and financial management. National Association of Credit Management.
Chicago-Zitierstil (17. Ausg.)Não informado. Credit and Financial Management. New York: National Association of Credit Management, 1931.
MLA-Zitierstil (8. Ausg.)Não informado. Credit and Financial Management. National Association of Credit Management, 1931.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.