Gaya APA
Black, William R.. (2010).
Sustainable transportation problems and solutions .
:
The Guildford Press.
Gaya Chicago
Black, William R..
Sustainable transportation problems and solutions.
:
The Guildford Press,
2010.
Text.
Gaya MLA
Black, William R..
Sustainable transportation problems and solutions.
:
The Guildford Press,
2010.
Text.
Gaya Turabian
Black, William R..
Sustainable transportation problems and solutions.
:
The Guildford Press,
2010.
Print.