Citazione Stile APA (7a Edizione)

Hoel, H., & Einarsen, S. (2003). Violence at work in hotels, catering and tourism. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Hoel, Helge, e Ståle Einarsen. Violence at Work in Hotels, Catering and Tourism. International Labour Organization, 2003.

Citatione MLA (9a ed.)

Hoel, Helge, e Ståle Einarsen. Violence at Work in Hotels, Catering and Tourism. International Labour Organization, 2003.