Gaya APA
Weigelt, Horst R.. (1973).
City traffic a systems digest .
New York:
Van Nostrad reenhald Company.
Gaya Chicago
Weigelt, Horst R..
City traffic a systems digest.
New York:
Van Nostrad reenhald Company,
1973.
Tesis.
Gaya MLA
Weigelt, Horst R..
City traffic a systems digest.
New York:
Van Nostrad reenhald Company,
1973.
Tesis.
Gaya Turabian
Weigelt, Horst R..
City traffic a systems digest.
New York:
Van Nostrad reenhald Company,
1973.
Tesis.