NAPA, P. A. (1992). How To Answer English Questions. Yogyakarta: Kanisius.
シカゴスタイル引用形NAPA, Pieter A. How To Answer English Questions. Yogyakarta: Kanisius, 1992.
MLA引用形式NAPA, Pieter A. How To Answer English Questions. Yogyakarta: Kanisius, 1992.
警告: この引用は必ずしも正確ではありません.