Clock, P., Crang, P., & Goodwin, M. (2006). Introducing human geographies (2nd. ed.). Hodder Arnold.
Chicago Style (17th ed.) ZitazioaClock, Paul, Philip Crang, eta Mark Goodwin. Introducing Human Geographies. 2nd. ed. London: Hodder Arnold, 2006.
MLA (9th ed.) ZitazioaClock, Paul, et al. Introducing Human Geographies. 2nd. ed. Hodder Arnold, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.