Hibbs, J. (1982). Transport without politics-- ?: A study of the scope for competitive markets in road, rail and air. Institute of Economic Affairs.
Lua i Stíl Chicago (17ú heag.)Hibbs, John. Transport Without Politics-- ?: A Study of the Scope for Competitive Markets in Road, Rail and Air. [London]: Institute of Economic Affairs, 1982.
Lua MLA (8ú heag.)Hibbs, John. Transport Without Politics-- ?: A Study of the Scope for Competitive Markets in Road, Rail and Air. Institute of Economic Affairs, 1982.
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