Cartwright, W., & Bining, A. C. (1950). The teaching of history in the United States. Instituto Panamericano de Geografía e Historia.
Chicago-viite (17. p.)Cartwright, William, ja Arthur C. Bining. The Teaching of History in the United States. Ciudad de México: Instituto Panamericano de Geografía e Historia, 1950.
MLA-viite (9. p.)Cartwright, William, ja Arthur C. Bining. The Teaching of History in the United States. Instituto Panamericano de Geografía e Historia, 1950.
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