Ellis, R. (1985). Understaning second lannguage acquisition. Univ. pr..
Chicagoスタイル(17版)引用形式Ellis, Rod. Understaning Second Lannguage Acquisition. Oxfod: Univ. pr., 1985.
MLA(9版)引用形式Ellis, Rod. Understaning Second Lannguage Acquisition. Univ. pr., 1985.
警告: この引用は必ずしも正確ではありません.