Watkins, G. S. (1922). An introduction to the study of labor problems. Thomas Y. Crowell Co..
Chicago Style (17th ed.) CitationWatkins, Gordon S. An Introduction to the Study of Labor Problems. New York: Thomas Y. Crowell Co., 1922.
MLA引文Watkins, Gordon S. An Introduction to the Study of Labor Problems. Thomas Y. Crowell Co., 1922.
警告:这些引文格式不一定是100%准确.