Cita APA (7a ed.)
Hardwick, P., & Khan, B. (1994). An introduction to modern economics (4th ed.). Longman.
Cita Chicago Style (17a ed.)
Hardwick, Philip, y Bahadur Khan. An Introduction to Modern Economics. 4th ed. Burnt Mill: Longman, 1994.
Cita MLA (9a ed.)
Hardwick, Philip, y Bahadur Khan. An Introduction to Modern Economics. 4th ed. Longman, 1994.
Precaución: Estas citas no son 100% exactas.