Cita APA (7a ed.)

Hassanien, A., Dale, C., & Clarke, A. (2010). Hospitality business development. Butterworth-Heinemann/Elsevier.

Cita Chicago Style (17a ed.)

Hassanien, Ahmed, Crispin Dale, y Alan Clarke. Hospitality Business Development. Amsterdam: Butterworth-Heinemann/Elsevier, 2010.

Cita MLA (9a ed.)

Hassanien, Ahmed, et al. Hospitality Business Development. Butterworth-Heinemann/Elsevier, 2010.