Παραπομπή σε μορφή APA (7η εκδ.)

Sjoberg, O., & Wyzan, M. L. (1991). Economic change in the Balkan States: Albania, Bulgaria, Romania and Yugoslavia. Pinter Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sjoberg, Orjan, και Michael Louis Wyzan. Economic Change in the Balkan States: Albania, Bulgaria, Romania and Yugoslavia. London: Pinter Publishers, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sjoberg, Orjan, και Michael Louis Wyzan. Economic Change in the Balkan States: Albania, Bulgaria, Romania and Yugoslavia. Pinter Publishers, 1991.