Citazione Stile APA (7a Edizione)

ECONOMIST INTELLIGENCE UNIT. (1999). BEST PRACTICES ENVIRONMENT. UNIVERSITY PRESS.

Citazione stile Chigago Style (17a edizione)

ECONOMIST INTELLIGENCE UNIT. BEST PRACTICES ENVIRONMENT. NEW DELHI: UNIVERSITY PRESS, 1999.

Citatione MLA (9a ed.)

ECONOMIST INTELLIGENCE UNIT. BEST PRACTICES ENVIRONMENT. UNIVERSITY PRESS, 1999.