Langan, J. (1992). Ten steps to improving college reading skills (2nd ed.). Townsend Press.
芝加哥风格引文Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. New Jersey: Townsend Press, 1992.
MLA引文Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. Townsend Press, 1992.
警告:这些引文格式不一定是100%准确.