Physical geography
De Blij Harm Jan, Muller Peter O., Burt James E., Mason Joseph A.Kniha
Citace v seznamu literatury:
DE BLIJ, Harm Jan; MULLER, Peter O.; BURT, James E. a MASON, Joseph A. Physical geography: the global environment. Fourth edition. New York: Oxford University Press, [2013]. ISBN 9780199859610.