Παραπομπή σε μορφή APA (7η εκδ.)
ASTM Committee E-17 on Traveled Surface Characteristics, Symposium on Roughness Methodology, Gillespie, T. D., & Sayers, M. W. (1985). Measuring road roughness and its effects on user cost and comfort: A symposium. ASTM.
Παραπομπή σε μορφή Chicago (17η εκδ.)
ASTM Committee E-17 on Traveled Surface Characteristics, Symposium on Roughness Methodology, T. D. Gillespie, και M. W. Sayers. Measuring Road Roughness and Its Effects on User Cost and Comfort: A Symposium. Philadelphia, PA (1916 Race St., Philadelphia 19103): ASTM, 1985.
Παραπομπή σε μορφή MLA (9th εκδ.)
ASTM Committee E-17 on Traveled Surface Characteristics, et al. Measuring Road Roughness and Its Effects on User Cost and Comfort: A Symposium. ASTM, 1985.
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