Gaya APA
Annual editions: Urban society 99/00. (1999).
Guiltford:
Mc Graw-Hill.
Gaya Chicago
Annual editions: Urban society 99/00.
~.
Guiltford:
Mc Graw-Hill,
1999.
Buku.
Gaya MLA
Annual editions: Urban society 99/00.
~.
Guiltford:
Mc Graw-Hill,
1999.
Buku.
Gaya Turabian
Annual editions: Urban society 99/00.
Guiltford:
Mc Graw-Hill,
1999.
Buku.