Não informado. (2004). Transportation research circular. National Research Council, Transportation Research Board.
Chicago Style (17. basım) AtıfNão informado. Transportation Research Circular. Washington: National Research Council, Transportation Research Board, 2004.
MLA (8th ed.) AtıfNão informado. Transportation Research Circular. National Research Council, Transportation Research Board, 2004.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..