Muriwali Yanto Matalu, author
Sekolah Tinggi Teologi Reformed Injili Internasional (STTRII), 2017
Artikel Jurnal
Vensus A.George
The council for reserch in values and philosophy, 2001
Buku Teks
Benoît, Hubert, author
International Specialized Book, 1955
Buku Teks
Guyader, Josseline
Press Universitaires de France, 1993
Buku Teks
Trofimenko, Genrikh
Progress Publishers, 1986
Buku Teks