Wray, W. K. (1986). Measuring Engineering Properties of Soil. Prentice-Hall of India.
Chicago Edition CitationWray, Warren K. Measuring Engineering Properties of Soil. Englewood: Prentice-Hall of India, 1986.
ציטוט MLAWray, Warren K. Measuring Engineering Properties of Soil. Prentice-Hall of India, 1986.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.