APA(7版)引用形式

Doughty, C., & Williams, J. Focus on form in classroom second language acquisition (2a ed.).

Chicagoスタイル(17版)引用形式

Doughty, Catherine, , Jessica Williams. Focus on Form in Classroom Second Language Acquisition. 2a ed.

MLA(8版)引用形式

Doughty, Catherine, , Jessica Williams. Focus on Form in Classroom Second Language Acquisition. 2a ed.

警告: この引用は必ずしも正確ではありません.