Gaya APA
Gray, George E., Hoel, Lester A.. (1992).
Public Transportation .
New Jersey:
PRENTICE-HALL.
Gaya Chicago
Gray, George E., Hoel, Lester A..
Public Transportation.
New Jersey:
PRENTICE-HALL,
1992.
.
Gaya MLA
Gray, George E., Hoel, Lester A..
Public Transportation.
New Jersey:
PRENTICE-HALL,
1992.
.
Gaya Turabian
Gray, George E., Hoel, Lester A..
Public Transportation.
New Jersey:
PRENTICE-HALL,
1992.
.