Winter, E. L. (1967). 1,015 ways to save time, trouble, and money in the operation of your business. Prentice-Hall.
Chicago-Zitierstil (17. Ausg.)Winter, Elmer L. 1,015 Ways to Save Time, Trouble, and Money in the Operation of Your Business. Englewood Cliffs, N.J: Prentice-Hall, 1967.
MLA-Zitierstil (9. Ausg.)Winter, Elmer L. 1,015 Ways to Save Time, Trouble, and Money in the Operation of Your Business. Prentice-Hall, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.