Dyfyniad APA

Hannam, C. . .. (1974). Parents and mentally handicapped children. Penguin books.

Dyfyniad Arddull Chicago

Hannam, Charles. Parents and Mentally Handicapped Children. England: Penguin books, 1974.

Dyfyniad MLA

Hannam, Charles. Parents and Mentally Handicapped Children. Penguin books, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.