Seliger, H. W. (1989). Second language Research methods. New york: Oxford University Press.
シカゴスタイル引用形Seliger, Herbert W. Second Language Research Methods. New york: Oxford University Press, 1989.
MLA引用形式Seliger, Herbert W. Second Language Research Methods. New york: Oxford University Press, 1989.
警告: この引用は必ずしも正確ではありません.