HARDWICK, H. (2003). WORDS ARE IMPORTANT- BOOK 2 (1st.). WHEELER PUBLISHING.
Chicagoスタイル(17版)引用形式HARDWICK, H.C. WORDS ARE IMPORTANT- BOOK 2. 1st. ALLAHABAD: WHEELER PUBLISHING, 2003.
MLA(9版)引用形式HARDWICK, H.C. WORDS ARE IMPORTANT- BOOK 2. 1st. WHEELER PUBLISHING, 2003.
警告: この引用は必ずしも正確ではありません.