APA (7th ed.) Zitazioa

Parker, G. (1979). The Countries of community Europe: A Geographical Survey of Contemporary issues. St. Martins pr..

Chicago Style (17th ed.) Zitazioa

Parker, Geoffrey. The Countries of Community Europe: A Geographical Survey of Contemporary Issues. New York: St. Martins pr., 1979.

MLA (9th ed.) Zitazioa

Parker, Geoffrey. The Countries of Community Europe: A Geographical Survey of Contemporary Issues. St. Martins pr., 1979.