(1992). The great railroads of North America. Dorset Press.
Trích dẫn kiểu ChicagoThe Great Railroads of North America. Dorset Press, 1992.
MLA引文The Great Railroads of North America. Dorset Press, 1992.
警告:这些引文格式不一定是100%准确.
(1992). The great railroads of North America. Dorset Press.
Trích dẫn kiểu ChicagoThe Great Railroads of North America. Dorset Press, 1992.
MLA引文The Great Railroads of North America. Dorset Press, 1992.