Gaya APA

Bickford-Smith, S., Freeth, E. (1980). Emden's Building Contracks and Practise (Ed.8). London: Butterworths.

Gaya MLA

Bickford-Smith, S., Freeth, E. "Emden's Building Contracks and Practise". Ed.8 London: Butterworths, 1980. .