Doff, A., Jones, C. J., & Mitchell, K. Meanings into words. Intermediate. An integrated course for students of english. Teacher's Book (6a ed.).
芝加哥风格引文Doff, Adrian, Christopher J. Jones, 与 Keith Mitchell. Meanings into Words. Intermediate. An Integrated Course for Students of English. Teacher's Book. 6a ed.
MLA引文Doff, Adrian, et al. Meanings into Words. Intermediate. An Integrated Course for Students of English. Teacher's Book. 6a ed.
警告：这些引文格式不一定是100％准确.