Hassanien, A., Dale, C., & Clarke, A. (2010). Hospitality business development. Butterworth-Heinemann/Elsevier.
Chicago Style (17. basım) AtıfHassanien, Ahmed, Crispin Dale, ve Alan Clarke. Hospitality Business Development. Amsterdam: Butterworth-Heinemann/Elsevier, 2010.
MLA (9th ed.) AtıfHassanien, Ahmed, et al. Hospitality Business Development. Butterworth-Heinemann/Elsevier, 2010.
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