Hamp, E. P., Gutiérrez, A. L., & Rankin, E. (1979). Composition plus level F. Harper and Row.
芝加哥风格引文Hamp, Eric P., Arturo Luis Gutiérrez, 与 Earl Rankin. Composition Plus Level F. Harper and Row, 1979.
MLA引文Hamp, Eric P., et al. Composition Plus Level F. Harper and Row, 1979.
警告：这些引文格式不一定是100％准确.