White, C. L. (1964). World economic geography. Wordsworth pub.
Cita Chicago (17th ed.)White, C. Langdon. World Economic Geography. California: Wordsworth pub, 1964.
Cita MLA (9th ed.)White, C. Langdon. World Economic Geography. Wordsworth pub, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.