Cita APA (7th ed.)
Phillips, R., & Johns, J. (2013). Fieldwork for human geography. SAGE.
Cita Chicago (17th ed.)
Phillips, Richard, i Jennifer Johns. Fieldwork for Human Geography. London: SAGE, 2013.
Cita MLA (9th ed.)
Phillips, Richard, i Jennifer Johns. Fieldwork for Human Geography. SAGE, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.