Burke, K., & Brooks, J. (2000). Wavelength: Pre-intermediate coursebook. Pearson Education.
Chicagoスタイル(17版)引用形式Burke, Kathy, , Julia Brooks. Wavelength: Pre-intermediate Coursebook. Essex: Pearson Education, 2000.
MLA(9版)引用形式Burke, Kathy, , Julia Brooks. Wavelength: Pre-intermediate Coursebook. Pearson Education, 2000.
警告: この引用は必ずしも正確ではありません.