Doff, A., Jones, C. J., & Mitchell, K. Meanings into words Intermediate. Student's book (10a ed.).
芝加哥风格引文Doff, Adrian, Christopher J. Jones, 与 Keith Mitchell. Meanings into Words Intermediate. Student's Book. 10a ed.
MLA引文Doff, Adrian, et al. Meanings into Words Intermediate. Student's Book. 10a ed.
警告：这些引文格式不一定是100％准确.