Koch, A. (2013). Assisted voluntary return schemes. Refugee Studies Centre, University of Oxford.
芝加哥风格引文Koch, A. Assisted Voluntary Return Schemes. Refugee Studies Centre, University of Oxford, 2013.
MLA引文Koch, A. Assisted Voluntary Return Schemes. Refugee Studies Centre, University of Oxford, 2013.
警告：这些引文格式不一定是100％准确.