Hardwick, E. R. (1993). Introduction to chemistry (Extended edition.). Harcourt Brace Jovanovich.
芝加哥风格引文Hardwick, E. Russell. Introduction to Chemistry. Extended edition. San Diego: Harcourt Brace Jovanovich, 1993.
MLA引文Hardwick, E. Russell. Introduction to Chemistry. Extended edition. Harcourt Brace Jovanovich, 1993.
警告：这些引文格式不一定是100％准确.