Gaya APA

Environmental geology : handbook of field methods and case studies [sumber elektronik] / Klaus Knödel, Gerhard Lange, Hans-Jürgen Voigt.. (2007). : .

Gaya MLA

Environmental geology : handbook of field methods and case studies [sumber elektronik] / Klaus Knödel, Gerhard Lange, Hans-Jürgen Voigt.. . : , 2007. Text.