Gehl, J. a. S., & Svarre, B. (2013). How to study public life. Island Press.
Čikaški stil citiranja (17. izdanje)Gehl, Jan and Svarre, i Birgitte Svarre. How to Study Public Life. Washington, DC: Island Press, 2013.
MLA način citiranja (8. izdanje)Gehl, Jan and Svarre, i Birgitte Svarre. How to Study Public Life. Island Press, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.