Phillips, R., & Johns, J. (2013). Fieldwork for human geography. SAGE.
芝加哥风格引文Phillips, Richard, 与 Jennifer Johns. Fieldwork for Human Geography. London: SAGE, 2013.
MLA引文Phillips, Richard, 与 Jennifer Johns. Fieldwork for Human Geography. SAGE, 2013.
警告：这些引文格式不一定是100％准确.