Vacca, R. T., & Vacca, J. A. L. (1989). Content area reading. Harper Collins Publ..
芝加哥风格引文Vacca, Richard T., 与 Jo Anne L. Vacca. Content Area Reading. Kent State: Harper Collins Publ., 1989.
MLA引文Vacca, Richard T., 与 Jo Anne L. Vacca. Content Area Reading. Harper Collins Publ., 1989.
警告：这些引文格式不一定是100％准确.