Παραπομπή APA

Enger, E. D. (2000). Environmental science: A study of interrelationships. Boston, Mass: McGraw-Hill.

Παραπομπή Chicago Style

Enger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Mass: McGraw-Hill, 2000.

Παραπομπή MLA

Enger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Mass: McGraw-Hill, 2000.

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