Willis, A. (1980). Practice and procedure for the quantity surveyor (8th Ed.). Granada.
Chicago Edition CitationWillis, Arthur.J. Practice and Procedure for the Quantity Surveyor. 8th Ed. London: Granada, 1980.
ציטוט MLAWillis, Arthur.J. Practice and Procedure for the Quantity Surveyor. 8th Ed. Granada, 1980.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.