Cita APA (7a ed.)
Krugman, P. R. (1988). International economics: Theory and policy. Scott, Foresman and Company.
Cita Chicago Style (17a ed.)
Krugman, Paul R. International Economics: Theory and Policy. Boston: Scott, Foresman and Company, 1988.
Cita MLA (9a ed.)
Krugman, Paul R. International Economics: Theory and Policy. Scott, Foresman and Company, 1988.
Precaución: Estas citas no son 100% exactas.