Vargas, J. S. (1972). Writing worthwhile behavioral objectives. Harper & Row.
芝加哥风格引文Vargas, Julie S. Writing Worthwhile Behavioral Objectives. New York: Harper & Row, 1972.
MLA引文Vargas, Julie S. Writing Worthwhile Behavioral Objectives. Harper & Row, 1972.
警告：这些引文格式不一定是100％准确.