APA (7th ed.) Zitazioa
Peggs, I. D. (1990). Geosynthetics: Microstructure and Performace. ASTM.
Chicago Style (17th ed.) Zitazioa
Peggs, Ian D. Geosynthetics: Microstructure and Performace. Philadelphia: ASTM, 1990.
MLA (9th ed.) Zitazioa
Peggs, Ian D. Geosynthetics: Microstructure and Performace. ASTM, 1990.
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