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