Kingsbury, R., Oï Dell, F., & Wellman, G. (1992). CAE Advantage. Longman.
Chicagoスタイル(17版)引用形式Kingsbury, Roy, Felicity Oï Dell, , Guy Wellman. CAE Advantage. Essex: Longman, 1992.
MLA(9版)引用形式Kingsbury, Roy, et al. CAE Advantage. Longman, 1992.
警告: この引用は必ずしも正確ではありません.