Davidson, G., & Sten, G. (2005). A student's companion: Vocabulary and grammar. Learners Publishing.
Chicagoスタイル(17版)引用形式Davidson, George, , George Sten. A Student's Companion: Vocabulary and Grammar. Singapore: Learners Publishing, 2005.
MLA(8版)引用形式Davidson, George, , George Sten. A Student's Companion: Vocabulary and Grammar. Learners Publishing, 2005.
警告: この引用は必ずしも正確ではありません.