Hoyle, B. S. (1973). Transport and development. Macmillan.
Chicago Style (17th ed.) ZitazioaHoyle, B. S. Transport and Development. London: Macmillan, 1973.
MLA (9th ed.) ZitazioaHoyle, B. S. Transport and Development. Macmillan, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.