Παραπομπή APA

Squires, G. (2013). Urban and environmental economics: An introduction. Routledge.

Παραπομπή Chicago Style

Squires, Graham. Urban and Environmental Economics: An Introduction. London: Routledge, 2013.

Παραπομπή MLA

Squires, Graham. Urban and Environmental Economics: An Introduction. Routledge, 2013.