Gregory, D. (2013). The dictionary of human geography (5th ed.). Wiley Blackwell.
Cita Chicago (17th ed.)Gregory, Derek. The Dictionary of Human Geography. 5th ed. West Sussex: Wiley Blackwell, 2013.
Cita MLA (9th ed.)Gregory, Derek. The Dictionary of Human Geography. 5th ed. Wiley Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.