O'Callaghan, G. (1993). The structure and operation of the world gold market. International Monetary Fund.
芝加哥风格引文O'Callaghan, Gary. The Structure and Operation of the World Gold Market. Washington, D.C., U.S.A.: International Monetary Fund, 1993.
MLA引文O'Callaghan, Gary. The Structure and Operation of the World Gold Market. International Monetary Fund, 1993.
警告：这些引文格式不一定是100％准确.