Gupta, V. (2009). Vocabulary and Comprehension Skills. Penguin Books.
Chicagoスタイル(17版)引用形式Gupta, Vaishali. Vocabulary and Comprehension Skills. USA: Penguin Books, 2009.
MLA(9版)引用形式Gupta, Vaishali. Vocabulary and Comprehension Skills. Penguin Books, 2009.
警告: この引用は必ずしも正確ではありません.