APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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