Willis, A. (1980). Practice and procedure for the quantity surveyor (8th Ed.). Granada.
シカゴスタイル引用形Willis, Arthur.J. Practice and Procedure for the Quantity Surveyor. 8th Ed. London: Granada, 1980.
MLA引用形式Willis, Arthur.J. Practice and Procedure for the Quantity Surveyor. 8th Ed. Granada, 1980.
警告: この引用は必ずしも正確ではありません.