Bazin, A., & Boyd, E. (2008). Achieve IELTS 1: Practice test book. United Kingdom: Heinle Cengage learning.
シカゴスタイル引用形Bazin, Anthea, , Elaine Boyd. Achieve IELTS 1: Practice Test Book. United Kingdom: Heinle Cengage learning, 2008.
MLA引用形式Bazin, Anthea, , Elaine Boyd. Achieve IELTS 1: Practice Test Book. United Kingdom: Heinle Cengage learning, 2008.
警告: この引用は必ずしも正確ではありません.