एपीए उद्धरण

Levinson, A. (1967). The Mentally Retarded Child. George Allen And Unwin Ltd.

शिकागो स्टाइल उद्धरण

Levinson, Abrahm. The Mentally Retarded Child. London: George Allen And Unwin Ltd, 1967.

एमएलए उद्धरण

Levinson, Abrahm. The Mentally Retarded Child. George Allen And Unwin Ltd, 1967.