Cita APA

Hassanien, A., Dale, C., & Clarke, A. (2011). Hospitality business development. Butterworth-Heinemann inc.

Citación estilo Chicago

Hassanien, Ahmed, Crispin Dale, y Alan Clarke. Hospitality Business Development. UK: Butterworth-Heinemann inc, 2011.

Cita MLA

Hassanien, Ahmed, et al. Hospitality Business Development. Butterworth-Heinemann inc, 2011.