Myers, N., & Spoolman, S. E. (2014). Environmental issues & solutions: A modular approach (International edition.). Brooks/Cole, Cengage Learning.
Citazione stile Chigago Style (17a edizione)Myers, Norman, e Scott E. Spoolman. Environmental Issues & Solutions: A Modular Approach. International edition. Australia: Brooks/Cole, Cengage Learning, 2014.
Citatione MLA (9a ed.)Myers, Norman, e Scott E. Spoolman. Environmental Issues & Solutions: A Modular Approach. International edition. Brooks/Cole, Cengage Learning, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.