APA (7e ed.) Bronvermelding

LEWIS, P. H. (1996). Tomorrow by design: A regional design process for sustainability. John Wiley and Sons.

Chicago (17e ed.) Bronvermelding

LEWIS, Philip H. Tomorrow by Design: A Regional Design Process for Sustainability. New York: John Wiley and Sons, 1996.

MLA (9e ed.) Bronvermelding

LEWIS, Philip H. Tomorrow by Design: A Regional Design Process for Sustainability. John Wiley and Sons, 1996.