APA
Levinson D. M., Axhausen K. W. & Marshall W. (2017). Elements of access: transport planning for engineers, transport engineering for planners. [Miejsce nieznane]: Network Design Lab.
Chicago
Levinson David M, Axhausen Kay W and Marshall Wes. 2017. Elements of access: transport planning for engineers, transport engineering for planners. [Miejsce nieznane]: Network Design Lab.
Harvard
Levinson D. M., Axhausen K. W. and Marshall W. (2017). Elements of access: transport planning for engineers, transport engineering for planners. [Miejsce nieznane]: Network Design Lab.
MLA
Levinson David M, Axhausen Kay W and Marshall Wes. Elements of access: transport planning for engineers, transport engineering for planners. [Miejsce nieznane]: Network Design Lab. 2017.