APA (7 वां संस्करण) प्रशस्ति पत्र
Parry, G., & Watts, F. N. (1989). Behavioural and mental health research: A handbook of skills and methods. LEA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Parry, Glenys, और Fraser N. Watts. Behavioural and Mental Health Research: A Handbook of Skills and Methods. Hove: LEA, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Parry, Glenys, और Fraser N. Watts. Behavioural and Mental Health Research: A Handbook of Skills and Methods. LEA, 1989.
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