توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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