Huggett, R. J. (2011). Fundamentals of geomorphology. Routledge.
Cita Chicago (17th ed.)Huggett, Richard John. Fundamentals of Geomorphology. London: Routledge, 2011.
Cita MLA (9th ed.)Huggett, Richard John. Fundamentals of Geomorphology. Routledge, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.