Citazione Stile APA (7a Edizione)

Economist Intelligence Unit (Great Britain). (1991). Competitive strategies for the international hotel industry. Economist Intelligence Unit.

Citazione stile Chigago Style (17a edizione)

Economist Intelligence Unit (Great Britain). Competitive Strategies for the International Hotel Industry. London ; New York, NY, USA: Economist Intelligence Unit, 1991.

Citatione MLA (8a ed.)

Economist Intelligence Unit (Great Britain). Competitive Strategies for the International Hotel Industry. Economist Intelligence Unit, 1991.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.