Gaya APA
FREDERICK, John H.. (1956).
Traffic Department Organization .
Philadelphia:
Chilton Company.
Gaya Chicago
FREDERICK, John H..
Traffic Department Organization.
Philadelphia:
Chilton Company,
1956.
.
Gaya MLA
FREDERICK, John H..
Traffic Department Organization.
Philadelphia:
Chilton Company,
1956.
.
Gaya Turabian
FREDERICK, John H..
Traffic Department Organization.
Philadelphia:
Chilton Company,
1956.
.