Ganbra, Rafael
Madrid Publicaciones Espanolas 1974
Buku Teks
Suggs, Robert C.
America : The New Library American Library, 1960.
Buku Teks
Denpasar STSI 1989,
Buku Referensi
Beijing Zhongguo Gouji Dianshi Conggongsi Chuban Faxing
Buku Referensi
Beijing Zhongguo Gongren Chubanshe 2002
Buku Referensi