Steiner, Rudolf, author
Rudolf Steiner, 1963
Buku Teks
Dinda Agithawuri Widyakinanti, author
2017
UI - Tugas Akhir
Ziman, John, author
Cambridge University Press, 1994
Buku Teks
Haryotomo Wiryasono, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2015
UI - Skripsi Membership
Conny R. Semiawan, author
Ramaja Karya, 1988
Buku Teks