Black, M. (1992). A cause for our times: Oxfam : the first 50 years. Oxfam ; Oxford University Press.
芝加哥风格引文Black, Maggie. A Cause for Our Times: Oxfam : The First 50 Years. Oxford [England] : Oxford ; New York: Oxfam ; Oxford University Press, 1992.
MLA引文Black, Maggie. A Cause for Our Times: Oxfam : The First 50 Years. Oxfam ; Oxford University Press, 1992.
警告：这些引文格式不一定是100％准确.