Cita APA (7th ed.)

O'Callaghan, M. (1991). The Structure and Operation of the World Gold Market. International Monetary Fund.

Cita Chicago (17th ed.)

O'Callaghan, M. The Structure and Operation of the World Gold Market. Washington, D.C.: International Monetary Fund, 1991.

Cita MLA (8th ed.)

O'Callaghan, M. The Structure and Operation of the World Gold Market. International Monetary Fund, 1991.