Miller, G. T., & Spoolman, S. E. (2013). Environmental science (14th ed.). Cengage Learning India Private Limited.
Lua i Stíl Chicago (17ú heag.)Miller, G. Tyler, agus Scott E. Spoolman. Environmental Science. 14th ed. New Delhi: Cengage Learning India Private Limited, 2013.
Lua MLA (9ú heag.)Miller, G. Tyler, agus Scott E. Spoolman. Environmental Science. 14th ed. Cengage Learning India Private Limited, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.