Gaya APA
Gifford, Jonathan L.. (2003).
Flexible urban transportation .
:
Pergamon.
Gaya Chicago
Gifford, Jonathan L..
Flexible urban transportation.
:
Pergamon,
2003.
Text.
Gaya MLA
Gifford, Jonathan L..
Flexible urban transportation.
:
Pergamon,
2003.
Text.
Gaya Turabian
Gifford, Jonathan L..
Flexible urban transportation.
:
Pergamon,
2003.
Print.