Parker, G. (1979). The Countries of community Europe: A Geographical Survey of Contemporary issues. St. Martins pr..
Chicago-viite (17. p.)Parker, Geoffrey. The Countries of Community Europe: A Geographical Survey of Contemporary Issues. New York: St. Martins pr., 1979.
MLA-viite (9. p.)Parker, Geoffrey. The Countries of Community Europe: A Geographical Survey of Contemporary Issues. St. Martins pr., 1979.
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