Gibbs, D. (1909). Elementary English grammar and composition. American Book.
Chicagoスタイル(17版)引用形式Gibbs, David. Elementary English Grammar and Composition. New York: American Book, 1909.
MLA(9版)引用形式Gibbs, David. Elementary English Grammar and Composition. American Book, 1909.
警告: この引用は必ずしも正確ではありません.