Wirkendes, Wort
Padagogischer Verl Schwann , 1962
Buku Teks
Hirt, Herman
Calr Winters Universitatsbuchandlung, 1912
Buku Teks
Bergmann, Rolf
Winter, 1981
Buku Teks SO
Peltzer, Karl, author
Ott Verlag Thun, 1966
Buku Referensi
Eka Marthanty Indah Lestari, author
2011
UI - Tesis Membership