Enger, E. D., & Smith, B. F. (2019). Environmental science: A study of interrelationships (Fifteenth edition, International student edition.). McGraw-Hill Education.
Citazione stile Chigago Style (17a edizione)Enger, Eldon D., e Bradley F. Smith. Environmental Science: A Study of Interrelationships. Fifteenth edition, International student edition. New York, NY: McGraw-Hill Education, 2019.
Citatione MLA (9a ed.)Enger, Eldon D., e Bradley F. Smith. Environmental Science: A Study of Interrelationships. Fifteenth edition, International student edition. McGraw-Hill Education, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.