APA aipamena

Barker, T. C. (1974). An economic history of transport in Britain. London: Hutchinson.

Chicago Style aipamena

Barker, T. C. An Economic History of Transport in Britain. London: Hutchinson, 1974.

MLA aipamena

Barker, T. C. An Economic History of Transport in Britain. London: Hutchinson, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.