Levinson, A. (1955). The mentally retarded child: A guide for parents; prepared under auspices of the Dr. Julian D. Levinson Research Foundation. George Allen & Unwin.
芝加哥风格引文Levinson, Abraham. The Mentally Retarded Child: A Guide for Parents; Prepared Under Auspices of the Dr. Julian D. Levinson Research Foundation. London: George Allen & Unwin, 1955.
MLA引文Levinson, Abraham. The Mentally Retarded Child: A Guide for Parents; Prepared Under Auspices of the Dr. Julian D. Levinson Research Foundation. George Allen & Unwin, 1955.
警告：这些引文格式不一定是100％准确.