Jakeman, V., & McDowell, C. (2003). Cambridge practice tests for IELTS 1. Cambridge University Press.
芝加哥风格引文Jakeman, Vanessa, 与 Clare McDowell. Cambridge Practice Tests for IELTS 1. Cambridge: Cambridge University Press, 2003.
MLA引文Jakeman, Vanessa, 与 Clare McDowell. Cambridge Practice Tests for IELTS 1. Cambridge University Press, 2003.
警告：这些引文格式不一定是100％准确.