Cita APA (7a ed.)
Gray, H. (1987). International economic problems and policies. St.Martin's Press.
Cita Chicago Style (17a ed.)
Gray, H.Peter. International Economic Problems and Policies. New York: St.Martin's Press, 1987.
Cita MLA (9a ed.)
Gray, H.Peter. International Economic Problems and Policies. St.Martin's Press, 1987.
Precaución: Estas citas no son 100% exactas.