APA
n.a, . (2019). Principles of health and safety and food safety supervision in hospitality service. 3G E-Learning: New York.
Chicago
n.a, . 2019. Principles of health and safety and food safety supervision in hospitality service. 3G E-Learning: New York.
Harvard
n.a, . (2019). Principles of health and safety and food safety supervision in hospitality service. 3G E-Learning: New York.
MLA
n.a, . Principles of health and safety and food safety supervision in hospitality service. 3G E-Learning: New York. 2019.