Holt, L. E., & Howland, J. (1939). Diseases of infancy and childhood. Appleton-Century Company.

Holt, L. Emett, and Jhon Howland. Diseases of Infancy and Childhood. New York: Appleton-Century Company, 1939.

Holt, L. Emett, and Jhon Howland. Diseases of Infancy and Childhood. Appleton-Century Company, 1939.