Tough, J. M., & O'Flaherty, C. A. (1971). Passenger conveyors: An innovatory form of communal transport. Allen.
Chicago Style (17th ed.) CitationTough, John M., and Coleman A. O'Flaherty. Passenger Conveyors: An Innovatory Form of Communal Transport. London: Allen, 1971.
ציטוט MLATough, John M., and Coleman A. O'Flaherty. Passenger Conveyors: An Innovatory Form of Communal Transport. Allen, 1971.