APA (7th ed.) Zitazioa
Davis, T. (2008). Geotechnical testing, observation, and documentation (2nd ed.). American Society of Civil Engineers.
Chicago Style (17th ed.) Zitazioa
Davis, Tim. Geotechnical Testing, Observation, and Documentation. 2nd ed. Reston, VA: American Society of Civil Engineers, 2008.
MLA (9th ed.) Zitazioa
Davis, Tim. Geotechnical Testing, Observation, and Documentation. 2nd ed. American Society of Civil Engineers, 2008.
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