Jakeman, V., & McDowell, C. (2012). Cambridge Practice Tests for IELTS 1 (20th ed.). Cambridge New York: Cambridge University Press.
シカゴスタイル引用形Jakeman, Vanessa, , Clare McDowell. Cambridge Practice Tests for IELTS 1. 20th ed. Cambridge New York: Cambridge University Press, 2012.
MLA引用形式Jakeman, Vanessa, , Clare McDowell. Cambridge Practice Tests for IELTS 1. 20th ed. Cambridge New York: Cambridge University Press, 2012.
警告: この引用は必ずしも正確ではありません.