APA Citatie

Willis, A. (1980). Practice and procedure for the quantity surveyor (8th Ed.). Granada.

Chicago Style citaat

Willis, Arthur.J. Practice and Procedure for the Quantity Surveyor. 8th Ed. London: Granada, 1980.

MLA citatie

Willis, Arthur.J. Practice and Procedure for the Quantity Surveyor. 8th Ed. Granada, 1980.

Let op: Deze citaties zijn niet altijd 100% accuraat.