Campbell, N. A. (1990). Biology. California: The Benjamin/Cummings Publishing Company.
Trích dẫn kiểu ChicagoCampbell, Neil A. Biology. California: The Benjamin/Cummings Publishing Company, 1990.
MLA引文Campbell, Neil A. Biology. California: The Benjamin/Cummings Publishing Company, 1990.
警告：这些引文格式不一定是100％准确.