Gaya APA
Sorge, W.. (1975).
Urban roads; German Democratic Republic .
:
Piarc.
Gaya Chicago
Sorge, W..
Urban roads; German Democratic Republic.
:
Piarc,
1975.
Computer Software.
Gaya MLA
Sorge, W..
Urban roads; German Democratic Republic.
:
Piarc,
1975.
Computer Software.
Gaya Turabian
Sorge, W..
Urban roads; German Democratic Republic.
:
Piarc,
1975.
Computer Software.