Walters, R. G. (1949). Workbook for Word studies (3rd edition.). South-Western Publishing Company.
Chicago-Zitierstil (17. Ausg.)Walters, R. G. Workbook for Word Studies. 3rd edition. Cincinnati, Ohio: South-Western Publishing Company, 1949.
MLA-Zitierstil (8. Ausg.)Walters, R. G. Workbook for Word Studies. 3rd edition. South-Western Publishing Company, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.