Muir, R. (1975). Modern political geography. Macmillan.
Cita Chicago (17th ed.)Muir, Richard. Modern Political Geography. London: Macmillan, 1975.
Cita MLA (9th ed.)Muir, Richard. Modern Political Geography. Macmillan, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.