Παραπομπή σε μορφή APA (7η εκδ.)

Hibbs, J. (1982). Transport without politics-- ?: A study of the scope for competitive markets in road, rail and air. Institute of Economic Affairs.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hibbs, John. Transport Without Politics-- ?: A Study of the Scope for Competitive Markets in Road, Rail and Air. [London]: Institute of Economic Affairs, 1982.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hibbs, John. Transport Without Politics-- ?: A Study of the Scope for Competitive Markets in Road, Rail and Air. Institute of Economic Affairs, 1982.