Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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