Berry, P. (1976). Language and communication in the mentally handicapped. University Park Press.
芝加哥风格引文Berry, Paul. Language and Communication in the Mentally Handicapped. Baltimore: University Park Press, 1976.
MLA引文Berry, Paul. Language and Communication in the Mentally Handicapped. University Park Press, 1976.
警告：这些引文格式不一定是100％准确.