Cita APA (7a ed.)

Sorgenfrei, C. (2011). Optimum currency areas: A monetary union for southern Africa. Diplomica Verlag.

Cita Chicago Style (17a ed.)

Sorgenfrei, Christian. Optimum Currency Areas: A Monetary Union for Southern Africa. Hamburg: Diplomica Verlag, 2011.

Cita MLA (9a ed.)

Sorgenfrei, Christian. Optimum Currency Areas: A Monetary Union for Southern Africa. Diplomica Verlag, 2011.

Precaución: Estas citas no son 100% exactas.