Williams, H. M. (1991). An essential english grammar with usage and composition. Calicut University.
シカゴスタイル引用形Williams, H. M. An Essential English Grammar with Usage and Composition. Kozhikode: Calicut University, 1991.
MLA引用形式Williams, H. M. An Essential English Grammar with Usage and Composition. Calicut University, 1991.
警告: この引用は必ずしも正確ではありません.