APA引文

HARDWICK, H. (2003). WORDS ARE IMPORTANT- BOOK 4 (1st.). WHEELER PUBLISHING.

芝加哥风格引文

HARDWICK, H.C. WORDS ARE IMPORTANT- BOOK 4. 1st. ALLAHABAD: WHEELER PUBLISHING, 2003.

MLA引文

HARDWICK, H.C. WORDS ARE IMPORTANT- BOOK 4. 1st. WHEELER PUBLISHING, 2003.

警告：这些引文格式不一定是100％准确.