Linda Sunarti, author
Serat Alam Media, 2014
Buku Teks
Artikel Jurnal
Siti Wahyuni Handayani, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Franz Magnis-Suseno, author
Kompas, 2006
Buku Teks
Universitas Indonesia, 1984
UI - Skripsi (Membership)