Fox, F. (1967). A rational economic geography. Cassell.
Cita Chicago (17th ed.)Fox, F.L. A Rational Economic Geography. London: Cassell, 1967.
Cita MLA (9th ed.)Fox, F.L. A Rational Economic Geography. Cassell, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.