Pengilley, P. (1968). By word of mouth: A rehabilitation course in better hearing, lip reading and speech conversation, Australian triple approach. Australian Association for Better Hearing.
Chicago-viite (17. p.)Pengilley, Patricia. By Word of Mouth: A Rehabilitation Course in Better Hearing, Lip Reading and Speech Conversation, Australian Triple Approach. [Melbourne: Australian Association for Better Hearing, 1968.
MLA-viite (8. p.)Pengilley, Patricia. By Word of Mouth: A Rehabilitation Course in Better Hearing, Lip Reading and Speech Conversation, Australian Triple Approach. Australian Association for Better Hearing, 1968.
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