APA引文

D.Enger Eldon, & F.Smith Bradley. (2006). Environmental Science: A Study Of Interrelationships. American: McGraw -Hill.

Trích dẫn kiểu Chicago

D.Enger Eldon, và F.Smith Bradley. Environmental Science: A Study Of Interrelationships. American: McGraw -Hill, 2006.

MLA引文

D.Enger Eldon, và F.Smith Bradley. Environmental Science: A Study Of Interrelationships. American: McGraw -Hill, 2006.

警告：这些引文格式不一定是100％准确.