Mohr, L. M., Washburne, C., & Beatty, W. W. (1934). Social studies series. Winnetka Educational Press.
Chicago-viite (17. p.)Mohr, Louise Maud, Carleton Washburne, ja Willard W. Beatty. Social Studies Series. Winnetka, Illinois: Winnetka Educational Press, 1934.
MLA-viite (8. p.)Mohr, Louise Maud, et al. Social Studies Series. Winnetka Educational Press, 1934.
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