Jaspers, Karl
Routledge & Kegan Paul LTD., 1949
Buku Teks
Jaspers, Karl,
Routledge and Kegan Paul, 1953
Buku Teks
Jaspers, Karl
London : Routledge & Kegan Paul Ltd., 1953.
Buku Teks
Budhy Kusworo, author
Universitas Indonesia, 1989
UI - Skripsi (Membership)
Mardety, author
Universitas Indonesia, 1988
UI - Skripsi (Membership)