Hassanien, A., Dale, C., & Clarke, A. (2010). Hospitality business development. Butterworth-Heinemann/Elsevier.
Čikaški stil citiranja (17. izdanje)Hassanien, Ahmed, Crispin Dale, i Alan Clarke. Hospitality Business Development. Amsterdam: Butterworth-Heinemann/Elsevier, 2010.
MLA način citiranja (9. izdanje)Hassanien, Ahmed, et al. Hospitality Business Development. Butterworth-Heinemann/Elsevier, 2010.
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