Lebon, J. H. G. (1952). An introduction to human geography (1st.). Hutchinson's University Library.
Cita Chicago (17th ed.)Lebon, J. H. G. An Introduction to Human Geography. 1st. London: Hutchinson's University Library, 1952.
Cita MLA (9th ed.)Lebon, J. H. G. An Introduction to Human Geography. 1st. Hutchinson's University Library, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.