Enger, E. D., & Smith, B. F. (2000). Environmental science: A study of interrelationships (7th ed.). Boston, Mass: McGraw-Hill.
Stile di citazione ChicagoEnger, Eldon D., e Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 7th ed. Boston, Mass: McGraw-Hill, 2000.
Citazione MLAEnger, Eldon D., e Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 7th ed. Boston, Mass: McGraw-Hill, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.