Cita APA (7a ed.)

Ashworth, A., & Hogg, K. (2000). Added value in design and construction. Longman.

Cita Chicago Style (17a ed.)

Ashworth, Allan, y Keith Hogg. Added Value in Design and Construction. Harlow: Longman, 2000.

Cita MLA (9a ed.)

Ashworth, Allan, y Keith Hogg. Added Value in Design and Construction. Longman, 2000.