James ,, P. E. (1964). One world divided: A geographer looks at the modern world. Blaisdell.
Citazione stile Chigago Style (17a edizione)James ,, Preston E. One World Divided: A Geographer Looks at the Modern World. Toronto: Blaisdell, 1964.
Citatione MLA (9a ed.)James ,, Preston E. One World Divided: A Geographer Looks at the Modern World. Blaisdell, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.