Não informado. (1972). Built environment. Architecture and Planning Publications.
Chicago-Zitierstil (17. Ausg.)Não informado. Built Environment. London: Architecture and Planning Publications, 1972.
MLA-Zitierstil (8. Ausg.)Não informado. Built Environment. Architecture and Planning Publications, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.