Παραπομπή σε μορφή APA (7η εκδ.)

(1964). The world and its peoples: Belgium, The Netherlands, Luxembourg. Greystone Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

The World and Its Peoples: Belgium, The Netherlands, Luxembourg. New York: Greystone Press, 1964.

Παραπομπή σε μορφή MLA (8th εκδ.)

The World and Its Peoples: Belgium, The Netherlands, Luxembourg. Greystone Press, 1964.