APA
Kent R. D., . (1981). Journal of Speech and Hearing Research. Maryland: American Speech-Language-Hearing Association.
Chicago
Kent Raymond D, . 1981. Journal of Speech and Hearing Research. Maryland: American Speech-Language-Hearing Association.
Harvard
Kent R. D., . (1981). Journal of Speech and Hearing Research. Maryland: American Speech-Language-Hearing Association.
MLA
Kent Raymond D, . Journal of Speech and Hearing Research. Maryland: American Speech-Language-Hearing Association. 1981.