Northern, J. L., & Downs, M. (1974). Hearing in Children. Lippincott Williams & Wilkins.
Cita Chicago (17th ed.)Northern, Jerry L., i Marion Downs. Hearing in Children. Lippincott Williams & Wilkins, 1974.
Cita MLA (9th ed.)Northern, Jerry L., i Marion Downs. Hearing in Children. Lippincott Williams & Wilkins, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.