Παραπομπή APA

Cunningham, W. P. (2005). Environmental science: A global concern. Boston, MA: McGraw-Hill Higher Education.

Παραπομπή Chicago Style

Cunningham, William P. Environmental Science: A Global Concern. Boston, MA: McGraw-Hill Higher Education, 2005.

Παραπομπή MLA

Cunningham, William P. Environmental Science: A Global Concern. Boston, MA: McGraw-Hill Higher Education, 2005.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.