Hardwick, P., & Khan, B. (1994). An introduction to modern economics (4th.ed.). Longman.
Chicago-čujuhus (17. p.)Hardwick, Philip, juo Bahadur Khan. An Introduction to Modern Economics. 4th.ed. London: Longman, 1994.
MLA-čujuhus (9. p.)Hardwick, Philip, juo Bahadur Khan. An Introduction to Modern Economics. 4th.ed. Longman, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.