Cambridge University Press, 2009
eBooks
Butcher, William, author
Macmillan, 1990
Buku Teks
Himawan Sutanto, author
Fakultas Teknik Universitas Indonesia, 1999
UI - Skripsi (Membership)
Heidegger, Martin, author
State University of New York Press, 1996
Buku Teks
Casey, Edward S., 1939-, author
University of California Press, 1997
Buku Teks