APA način citiranja (7. izdanje)
Hardwick, P., & Langmead, J. a. K. B. (1999). An Introduction to modern economics (5th ed.). Prentice Hall.
Čikaški stil citiranja (17. izdanje)
Hardwick, Philip, i John and Khan Bhadur Langmead. An Introduction to Modern Economics. 5th ed. Harlow, England: Prentice Hall, 1999.
MLA način citiranja (9. izdanje)
Hardwick, Philip, i John and Khan Bhadur Langmead. An Introduction to Modern Economics. 5th ed. Prentice Hall, 1999.
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