Boyle, M. (2015). Human geography: A concise introduction. John Wiley & Sons.
Cita Chicago (17th ed.)Boyle, Mark. Human Geography: A Concise Introduction. Chichester, West Sussex: John Wiley & Sons, 2015.
Cita MLA (9th ed.)Boyle, Mark. Human Geography: A Concise Introduction. John Wiley & Sons, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.