Harry Waluyo, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1998
UI - Tesis Membership
Osborn, Alex
Charles Scribner`s Sons, 1952
Buku Teks
Russell, Bertrand, 1872-1970, author
George Allen and Unwin, 1956
Buku Teks
Bury, J.B., author
Yajasan Pembangunan, 1951
Buku Teks
Neisser, Ulrich, author
W.H. Freeman, 1976
Buku Teks