APA
Agnes H Ling, . (1980). Schedules of development in audition speech language communication for hearing impaired infants and their parents. WashingtonzB Alexander Graham Bell Asso. for the Deaf: .
Chicago
Agnes H Ling, . 1980. Schedules of development in audition speech language communication for hearing impaired infants and their parents. WashingtonzB Alexander Graham Bell Asso. for the Deaf: .
Harvard
Agnes H Ling, . (1980). Schedules of development in audition speech language communication for hearing impaired infants and their parents. WashingtonzB Alexander Graham Bell Asso. for the Deaf: .
MLA
Agnes H Ling, . Schedules of development in audition speech language communication for hearing impaired infants and their parents. WashingtonzB Alexander Graham Bell Asso. for the Deaf: . 1980.