Blaser, Werner, 1924-
Helmut Jahn : transparency
Birkhauser, 1996
 Buku Teks
Fellen
Transparansi Helmut Jahn. (Tinjauan konsep transparansi yang diterapkan Helmut Jahn)
Fakultas Teknik Universitas Indonesia, 2004
 UI - Skripsi Membership
Jahn, Theodore Louis
How to know the protozoa / Theodore Louis Jahn, Frances Floed Jahn
WM C Brown, 1949
 Buku Teks
Williams, Kate
Study skills / Kate Williams
MacMillan Press , 1989
 Buku Teks
Millett, Kate
Sexual Politics / Kate Millett,
Doubleday & Company Inc., 1970
 Buku Teks