Παραπομπή σε μορφή APA (7η εκδ.)

Hinzen, H., & Knoll, J. H. (2009). Adult education and continuing education policy: Science in between society and politics. Bonn.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hinzen, Heribert, και Jooachim H. Knoll. Adult Education and Continuing Education Policy: Science in Between Society and Politics. Poland: Bonn, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hinzen, Heribert, και Jooachim H. Knoll. Adult Education and Continuing Education Policy: Science in Between Society and Politics. Bonn, 2009.