McKinley, A. E., Howland, A. C., & Dann, M. L. (1928). Teachers' manual to accompany World history in the making and World history to-day. American Book Co..
Chicago-referens (17:e uppl.)McKinley, Albert E., Arthur C. Howland, och Matthew Lincoln Dann. Teachers' Manual to Accompany World History in the Making and World History To-day. New York: American Book Co., 1928.
MLA-referens (8:e uppl.)McKinley, Albert E., et al. Teachers' Manual to Accompany World History in the Making and World History To-day. American Book Co., 1928.
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