Miller, G. T., & Spoolman, S. E. (2011). Introduction to environmental science (2nd ed.). Cengage Learning Asia Pte.
Cita Chicago (17th ed.)Miller, G. Tyler, i Scott E. Spoolman. Introduction to Environmental Science. 2nd ed. Pasig City: Cengage Learning Asia Pte, 2011.
Cita MLA (9th ed.)Miller, G. Tyler, i Scott E. Spoolman. Introduction to Environmental Science. 2nd ed. Cengage Learning Asia Pte, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.