ebrary, Inc, & Royse, D. D. (2009). Needs assessment. Oxford University Press.
芝加哥风格引文ebrary, Inc, 与 David D. Royse. Needs Assessment. New York: Oxford University Press, 2009.
MLA引文ebrary, Inc, 与 David D. Royse. Needs Assessment. Oxford University Press, 2009.
警告：这些引文格式不一定是100％准确.