APA
Alexander Ewing & Ethel C Ewing, . (1971). Hearing-impaired children under five : a guide for parents and teachers. Manchester University Press, Manchester: .
Chicago
Alexander Ewing & Ethel C Ewing, . 1971. Hearing-impaired children under five : a guide for parents and teachers. Manchester University Press, Manchester: .
Harvard
Alexander Ewing & Ethel C Ewing, . (1971). Hearing-impaired children under five : a guide for parents and teachers. Manchester University Press, Manchester: .
MLA
Alexander Ewing & Ethel C Ewing, . Hearing-impaired children under five : a guide for parents and teachers. Manchester University Press, Manchester: . 1971.