Citazione Stile APA (7a Edizione)

Hayes, C. (1984). Our world and its people: A social and economic geography. Gill and Macmillan.

Citazione stile Chigago Style (17a edizione)

Hayes, Charles. Our World and Its People: A Social and Economic Geography. Dublin: Gill and Macmillan, 1984.

Citatione MLA (9a ed.)

Hayes, Charles. Our World and Its People: A Social and Economic Geography. Gill and Macmillan, 1984.