Citazione Stile APA (7a Edizione)

Gretton, J. (1987). Transport UK 1987: An economic, social and policy andit. Policy Journals.

Citazione stile Chigago Style (17a edizione)

Gretton, John. Transport UK 1987: An Economic, Social and Policy Andit. Berkshire: Policy Journals, 1987.

Citatione MLA (9a ed.)

Gretton, John. Transport UK 1987: An Economic, Social and Policy Andit. Policy Journals, 1987.