Lua APA (7ú heag.)
Hardwick, P., & Khan, B. (1994). An introduction to modern economics (4th ed.). Longman.
Lua i Stíl Chicago (17ú heag.)
Hardwick, Philip, agus Bahadur Khan. An Introduction to Modern Economics. 4th ed. Burnt Mill: Longman, 1994.
Lua MLA (9ú heag.)
Hardwick, Philip, agus Bahadur Khan. An Introduction to Modern Economics. 4th ed. Longman, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.