Boehm, R. G. (1995). Glencoe world geography: A physical and cultural approach (4th ed.). Glencoe.
Chicago (17e ed.) BronvermeldingBoehm, Richard G. Glencoe World Geography: A Physical and Cultural Approach. 4th ed. New York: Glencoe, 1995.
MLA (8e ed.) BronvermeldingBoehm, Richard G. Glencoe World Geography: A Physical and Cultural Approach. 4th ed. Glencoe, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.