APA সাইটেশন

Hill, D. J. (1987). On sterilising severely mentally handicapped people.

শিকাগো স্টাইলে সাইটেশন

Hill, D J. On Sterilising Severely Mentally Handicapped People. 1987.

এমএলএ সাইটেশন

Hill, D J. On Sterilising Severely Mentally Handicapped People. 1987.