Cita APA (7a ed.)

ASHWORTH, A. (2013). Willis’s practice and procedure for the quantity surveyor. John Wiley.

Cita Chicago Style (17a ed.)

ASHWORTH, Allan. Willis’s Practice and Procedure for the Quantity Surveyor. John Wiley, 2013.

Cita MLA (9a ed.)

ASHWORTH, Allan. Willis’s Practice and Procedure for the Quantity Surveyor. John Wiley, 2013.