National Society for Mentally and Emotionally Handicapped Children (Pakistan). Formative years. National Society for Mentally and Emotionally Handicapped Children.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Society for Mentally and Emotionally Handicapped Children (Pakistan). Formative Years. Lahore: National Society for Mentally and Emotionally Handicapped Children.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNational Society for Mentally and Emotionally Handicapped Children (Pakistan). Formative Years. National Society for Mentally and Emotionally Handicapped Children.
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