Miller, G. T. (2001). Environmental science: Working with the earth (8th ed.). Brooks/Cole Thomson Learning.
Cita Chicago (17th ed.)Miller, G. Tyler. Environmental Science: Working with the Earth. 8th ed. Australia: Brooks/Cole Thomson Learning, 2001.
Cita MLA (9th ed.)Miller, G. Tyler. Environmental Science: Working with the Earth. 8th ed. Brooks/Cole Thomson Learning, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.