Cita APA (7th ed.)

257348 Kotzen, B., & English, C. (2009). Environmental noise barriers: A guide to their acoustic and visual design. London, UK : Spon.

Cita Chicago (17th ed.)

257348 Kotzen, Benz, i Colin English. Environmental Noise Barriers: A Guide to Their Acoustic and Visual Design. London, UK : Spon, 2009.

Cita MLA (9th ed.)

257348 Kotzen, Benz, i Colin English. Environmental Noise Barriers: A Guide to Their Acoustic and Visual Design. London, UK : Spon, 2009.