Li, Peng Wei
China Youth Press, 2010
Buku Referensi
edited by Cynthia Fox, Joshua Simon and Robert Sullivan
Macmillan, 1997
Buku Teks SO
Elger, Dietmar ; Gantefuhrer-Trier, Anne ; Grimme, Karin H. ; Hess, Barbara ; Holzwarth, Hans Werner, with essays
Taschen, 2011
Buku Referensi
Chaisson, Eric
Prentice-Hall, 1999
Multimedia
Kelly, Gery F.
McGraw-Hill, Higher Education, 2008
Buku Teks SO