APA ציטוט

Eldon D. Enger. (2004). Environmetal science: A study of interrelationships. Boston, MA: McGraw-Hill.

Trích dẫn kiểu Chicago

Eldon D. Enger. Environmetal Science: A Study of Interrelationships. Boston, MA: McGraw-Hill, 2004.

ציטוט MLA

Eldon D. Enger. Environmetal Science: A Study of Interrelationships. Boston, MA: McGraw-Hill, 2004.