Chiras, D. D. (1988). Environmental science: A framework for decision making (2nd ed.). Benjamin/Cummings.
Lua i Stíl Chicago (17ú heag.)Chiras, Daniel D. Environmental Science: A Framework for Decision Making. 2nd ed. California: Benjamin/Cummings, 1988.
Lua MLA (9ú heag.)Chiras, Daniel D. Environmental Science: A Framework for Decision Making. 2nd ed. Benjamin/Cummings, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.