Cita APA (7th ed.)

Heathfield, D., & Russell, M. (1992). Modern economics (2nd ed.). Harvester/Wheatsheaf.

Cita Chicago (17th ed.)

Heathfield, David, i Mark Russell. Modern Economics. 2nd ed. New York: Harvester/Wheatsheaf, 1992.

Cita MLA (9th ed.)

Heathfield, David, i Mark Russell. Modern Economics. 2nd ed. Harvester/Wheatsheaf, 1992.