APA aipamena

Bonavia, M. R. (1957). Economics of transport. Cambridge University.

Chicago Style aipamena

Bonavia, Michael R. Economics of Transport. Cambridge University, 1957.

MLA aipamena

Bonavia, Michael R. Economics of Transport. Cambridge University, 1957.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.