Dyfyniad APA

Repp, A. C. (1983). Teaching the mentally retarded. Prentice-Hall.

Dyfyniad Arddull Chicago

Repp, Alan C. Teaching the Mentally Retarded. Englewood Cliffs, N.J.: Prentice-Hall, 1983.

Dyfyniad MLA

Repp, Alan C. Teaching the Mentally Retarded. Prentice-Hall, 1983.

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