Cita APA (7th ed.)

Ashman, A. F., & Laura, R. S. (1985). The education and training of the mentally retarded: Recent advances. Croom Helm.

Cita Chicago (17th ed.)

Ashman, A. F., i R. S. Laura. The Education and Training of the Mentally Retarded: Recent Advances. London: Croom Helm, 1985.

Cita MLA (9th ed.)

Ashman, A. F., i R. S. Laura. The Education and Training of the Mentally Retarded: Recent Advances. Croom Helm, 1985.