APA aipamena

ASHWORTH, A. H. (2013). Willis's practice and procedure for the quantity surveyor. John Wiley & Sons.

Chicago Style aipamena

ASHWORTH, Allan Hogg. Willis's Practice and Procedure for the Quantity Surveyor. John Wiley & Sons, 2013.

MLA aipamena

ASHWORTH, Allan Hogg. Willis's Practice and Procedure for the Quantity Surveyor. John Wiley & Sons, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.