Gaya APA
Siegel, F., Rosenberg, J. (1999).
Urban society 99/00 : annual editions .
Guilford, Connecticut:
Dushkin/McGraw-Hill.
Gaya MLA
Siegel, Fred., Rosenberg, Jan.
"Urban society 99/00 : annual editions".
Guilford, Connecticut:
Dushkin/McGraw-Hill,
1999.
Text.