APA引文

Saxena Y K. (2004). Environment explained: Meaning and definitions of terms ans themes. Excel books.

Chicago Edition Citation

Saxena Y K. Environment Explained: Meaning and Definitions of Terms Ans Themes. Excel books, 2004.

MLA引文

Saxena Y K. Environment Explained: Meaning and Definitions of Terms Ans Themes. Excel books, 2004.

警告：这些引文格式不一定是100％准确.