Cita APA (7th ed.)

Berry, P. (1976). Language and communication in the mentally handicapped. University Park Press.

Cita Chicago (17th ed.)

Berry, Paul. Language and Communication in the Mentally Handicapped. Baltimore: University Park Press, 1976.

Cita MLA (8th ed.)

Berry, Paul. Language and Communication in the Mentally Handicapped. University Park Press, 1976.