Kemal, A. R., Burney, N. A., & Hameed, S. (1981). Quota restrictions, tariffs, and the scarcity premium on licences. Pakistan Institute of Development Economics.
Čikaški stil citiranja (17. izdanje)Kemal, A. R., Nadeem A. Burney, i Shahid Hameed. Quota Restrictions, Tariffs, and the Scarcity Premium on Licences. Islamabad: Pakistan Institute of Development Economics, 1981.
MLA način citiranja (8. izdanje)Kemal, A. R., et al. Quota Restrictions, Tariffs, and the Scarcity Premium on Licences. Pakistan Institute of Development Economics, 1981.
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