APA aipamena

Hartwick, J. M. (2015). Urban Economics (Ed.1.). Routledge.

Chicago Style aipamena

Hartwick, John M. Urban Economics. Ed.1. Newyork: Routledge, 2015.

MLA aipamena

Hartwick, John M. Urban Economics. Ed.1. Routledge, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.