College of Speech and Language Therapists. (1992). European Journal of Disorders of Communication. Whurr Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollege of Speech and Language Therapists. European Journal of Disorders of Communication. London: Whurr Publishers, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollege of Speech and Language Therapists. European Journal of Disorders of Communication. Whurr Publishers, 1992.
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