Selikowitz, M. (1997). Down syndrome: The facts (2nd ed.). Oxford University Press.
芝加哥风格引文Selikowitz, Mark. Down Syndrome: The Facts. 2nd ed. Oxford: Oxford University Press, 1997.
MLA引文Selikowitz, Mark. Down Syndrome: The Facts. 2nd ed. Oxford University Press, 1997.
警告：这些引文格式不一定是100％准确.