Gaya APA
HARPER, Donald V. (1982).
Transportation in America : users, carries, government .
New Jersey:
Prentice Hall.
Gaya Chicago
HARPER, Donald V.
Transportation in America : users, carries, government.
New Jersey:
Prentice Hall,
1982.
Text.
Gaya MLA
HARPER, Donald V.
Transportation in America : users, carries, government.
New Jersey:
Prentice Hall,
1982.
Text.
Gaya Turabian
HARPER, Donald V.
Transportation in America : users, carries, government.
New Jersey:
Prentice Hall,
1982.
Print.