Berthelot, Rene
Buku Teks
Landmann, Michael
Bouvier Verlag Herbert Grundmann, 1977
Buku Teks
Paris : Librairie Armand Colin
Majalah, Jurnal, Buletin
Julia, Didier, author
Paris, Librairie Larousse
Buku Referensi
Metzke, E., author
Heidelberg Kerle 1949
Buku Referensi