Chiras, D. D. (1988). Environmental science: A framework for decision making (2nd ed.). Benjamin/Cummings.
Chicago-čujuhus (17. p.)Chiras, Daniel D. Environmental Science: A Framework for Decision Making. 2nd ed. California: Benjamin/Cummings, 1988.
MLA-čujuhus (9. p.)Chiras, Daniel D. Environmental Science: A Framework for Decision Making. 2nd ed. Benjamin/Cummings, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.