Gaya APA

Marzouk, A, M., Elshaer, A, M. (2018). Labor in Tourism and Hospitality Industry . New York: Apple Academic Press.

Gaya MLA

Marzouk, Asmaa, M.., Elshaer, Abdallah, M.. "Labor in Tourism and Hospitality Industry". New York: Apple Academic Press, 2018. Text.