Brehony, N. (2011). Yemen divided: The story of a failed state in South Arabia. I.B.Tauris & Co..
芝加哥风格引文Brehony, Noel. Yemen Divided: The Story of a Failed State in South Arabia. London ; New York: I.B.Tauris & Co., 2011.
MLA引文Brehony, Noel. Yemen Divided: The Story of a Failed State in South Arabia. I.B.Tauris & Co., 2011.
警告：这些引文格式不一定是100％准确.