Holt, L. E., & Howland, J. (1939). Diseases of infancy and childhood.
Cita Chicago (17th ed.)Holt, L. Emett, i Jhon Howland. Diseases of Infancy and Childhood. 1939.
Cita MLA (9th ed.)Holt, L. Emett, i Jhon Howland. Diseases of Infancy and Childhood. 1939.
Atenció: Aquestes cites poden no estar 100% correctes.