Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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