Cita APA (7a ed.)

Vaish, M. C., & Singh, S. (1998). International economics (7th ed.). Oxford & IBH Publishing Co..

Cita Chicago Style (17a ed.)

Vaish, M. C., y Sudama Singh. International Economics. 7th ed. New Delhi: Oxford & IBH Publishing Co., 1998.

Cita MLA (9a ed.)

Vaish, M. C., y Sudama Singh. International Economics. 7th ed. Oxford & IBH Publishing Co., 1998.