Cartwright, W., & Bining, A. C. (1950). The teaching of history in the United States. Instituto Panamericano de Geografía e Historia.
Cita Chicago (17th ed.)Cartwright, William, i Arthur C. Bining. The Teaching of History in the United States. Ciudad de México: Instituto Panamericano de Geografía e Historia, 1950.
Cita MLA (9th ed.)Cartwright, William, i Arthur C. Bining. The Teaching of History in the United States. Instituto Panamericano de Geografía e Historia, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.