James ,, P. E. (1964). One world divided: A geographer looks at the modern world. Blaisdell.
Cita Chicago (17th ed.)James ,, Preston E. One World Divided: A Geographer Looks at the Modern World. Toronto: Blaisdell, 1964.
Cita MLA (9th ed.)James ,, Preston E. One World Divided: A Geographer Looks at the Modern World. Blaisdell, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.