Παραπομπή σε μορφή APA (7η εκδ.)

Bader. (1970). The Integration of The State Insurance Into The Economic System of The German Democratic Republic. The Institute of National Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bader. The Integration of The State Insurance Into The Economic System of The German Democratic Republic. Cairo: The Institute of National Planning, 1970.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bader. The Integration of The State Insurance Into The Economic System of The German Democratic Republic. The Institute of National Planning, 1970.