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..
Lua i Stíl Chicago (17ú heag.)McKinley, Albert E., Arthur C. Howland, agus Matthew Lincoln Dann. Teachers' Manual to Accompany World History in the Making and World History To-day. New York: American Book Co., 1928.
Lua MLA (8ú heag.)McKinley, Albert E., et al. Teachers' Manual to Accompany World History in the Making and World History To-day. American Book Co., 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.