Gumpol, W. (2002). Mastery of Sixteen Tenses/ W.Y. Gumpol. Yogyakarta: Kanisius.
Chicagoスタイル(17版)引用形式Gumpol, W.Y. Mastery of Sixteen Tenses/ W.Y. Gumpol. Yogyakarta: Kanisius, 2002.
MLA(8版)引用形式Gumpol, W.Y. Mastery of Sixteen Tenses/ W.Y. Gumpol. Yogyakarta: Kanisius, 2002.
警告: この引用は必ずしも正確ではありません.