Lyman, R. L. V., Johnson, R. I., & Bear, M. V. (1934). Directed language practice. Ginn.
Chicago Style (17th ed.) CitationLyman, Rollo La Verne, Roy Ivan Johnson, and Mata Virginia Bear. Directed Language Practice. Boston: Ginn, 1934.
MLA引文Lyman, Rollo La Verne, et al. Directed Language Practice. Ginn, 1934.
警告:这些引文格式不一定是100%准确.