APA (7th ed.) Zitazioa
Lommler, J. C. (2012). Geotechnical problem solving. Wiley.
Chicago Style (17th ed.) Zitazioa
Lommler, John C. Geotechnical Problem Solving. Hoboken, N.J.: Wiley, 2012.
MLA (9th ed.) Zitazioa
Lommler, John C. Geotechnical Problem Solving. Wiley, 2012.
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