Monkhouse, F. J. (1970). Principles of physical geography (7th ed.). American Elsevier.
Chicago (17e ed.) BronvermeldingMonkhouse, Francis John. Principles of Physical Geography. 7th ed. New York: American Elsevier, 1970.
MLA (9e ed.) BronvermeldingMonkhouse, Francis John. Principles of Physical Geography. 7th ed. American Elsevier, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.