Cita APA (7th ed.)
Black, A. (1995). Urban mass transportation planning. McGraw-Hill.
Cita Chicago (17th ed.)
Black, Alan. Urban Mass Transportation Planning. New York: McGraw-Hill, 1995.
Cita MLA (9th ed.)
Black, Alan. Urban Mass Transportation Planning. McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.