The Chicago manual of style / University of Chicago
University of Chicago Press, 1993
 Buku Teks
University of chicago spanish dictionary
compiled by Carlos Castillo & Otto F. Bond
The University of Chicago Press, 1948
 Buku Referensi
Castillo, Carlos, 1889-1967, compiler
The University of Chicago Spanish dictionary
The University of Chicago Press, 1948
 Buku Referensi
Chicago Lectures in Law and Economics
Eric A. Posner
Ashgate/Dartmouth, 2001
 Buku Teks
Larson, George A.
Chicago architecture and design
H.N. Abrams, 1993.
 Buku Teks SO