APA (7 वां संस्करण) प्रशस्ति पत्र
MAR, H., & SALL, N. (1999). PROFILES OF THE EXPRESSIVE COMMUNICATION SKILLS OF CHILDREN AND ADOLESCENTS WITH SEVERE COGNITIVE DISABILITIES.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
MAR, H.H, और N. SALL. PROFILES OF THE EXPRESSIVE COMMUNICATION SKILLS OF CHILDREN AND ADOLESCENTS WITH SEVERE COGNITIVE DISABILITIES. 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
MAR, H.H, और N. SALL. PROFILES OF THE EXPRESSIVE COMMUNICATION SKILLS OF CHILDREN AND ADOLESCENTS WITH SEVERE COGNITIVE DISABILITIES. 1999.
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