The Chicago manual of style / University of Chicago
University of Chicago Press, 1993
 Buku Teks
Botterill, Linda Courtenay
Wheat marketing in transition: the transformation of the Australian Wheat Board
Springer, 2012
 eBooks
Helvy Tiana Rosa
Manusia-manusia langit : kumpulan epik
Asy Syaamil, 2000
 Buku Teks SO
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