APA način citiranja (7. izdanje)

Hardwick, P., & Khan, B. a. L. (1999). An introduction to modern economics (5th.ed.). Longman.

Čikaški stil citiranja (17. izdanje)

Hardwick, Philip, i Bahadur and Langmead Khan. An Introduction to Modern Economics. 5th.ed. London: Longman, 1999.

MLA način citiranja (9. izdanje)

Hardwick, Philip, i Bahadur and Langmead Khan. An Introduction to Modern Economics. 5th.ed. Longman, 1999.