Elsby, W. L. (1981). The engineer and construction control. Telford.
Chicago Style (17th ed.) CitationElsby, W. L. The Engineer and Construction Control. London: Telford, 1981.
ציטוט MLAElsby, W. L. The Engineer and Construction Control. Telford, 1981.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.