APA ציטוט

Williams, L. D. (2005). Environmental science demystified. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Williams, Linda D. Environmental Science Demystified. New York: McGraw-Hill, 2005.

ציטוט MLA

Williams, Linda D. Environmental Science Demystified. New York: McGraw-Hill, 2005.