Marr, W. A. (1999). Nondestructive and Automated Testing for Soil and Rock Properties. ASTM.
Chicago Style (17th ed.) CitationMarr, W. A. Nondestructive and Automated Testing for Soil and Rock Properties. West Conshohockern, P. A: ASTM, 1999.
ציטוט MLAMarr, W. A. Nondestructive and Automated Testing for Soil and Rock Properties. ASTM, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.