Black, J. (1981). Urban transport planning: Theory and practice. Johns Hopkins University Press.
Citazione stile Chigago Style (17a edizione)Black, John. Urban Transport Planning: Theory and Practice. Baltimore: Johns Hopkins University Press, 1981.
Citatione MLA (9a ed.)Black, John. Urban Transport Planning: Theory and Practice. Johns Hopkins University Press, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.