Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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