Cita APA

Fifield, D. B., Smither, M. F., & Bulteau, V. G. (1977). Survey of hearing aids at Farrar School for the Deaf, Croyden, N.S.W. November, 1976. National Acoustic Laboratories.

Citación estilo Chicago

Fifield, D. B., Marshall F. Smither, and Volney G. Bulteau. Survey of Hearing Aids at Farrar School for the Deaf, Croyden, N.S.W. November, 1976. Sydney: National Acoustic Laboratories, 1977.

Cita MLA

Fifield, D. B., et al. Survey of Hearing Aids at Farrar School for the Deaf, Croyden, N.S.W. November, 1976. National Acoustic Laboratories, 1977.