APA (7th ed.) Zitazioa

Hay, A. (1973). Transport for the space economy: A geographical study. Macmillan.

Chicago Style (17th ed.) Zitazioa

Hay, Alan. Transport for the Space Economy: A Geographical Study. London: Macmillan, 1973.

MLA (9th ed.) Zitazioa

Hay, Alan. Transport for the Space Economy: A Geographical Study. Macmillan, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.