Phillips, R., & Johns, J. (2013). Fieldwork for human geography. SAGE.
Citación estilo ChicagoPhillips, Richard, and Jennifer Johns. Fieldwork for Human Geography. London: SAGE, 2013.
Cita MLAPhillips, Richard, and Jennifer Johns. Fieldwork for Human Geography. SAGE, 2013.
Warning: These citations may not always be 100% accurate.