edited by, John T. McNeill; translated and indexed by, Ford Lewis Battles
The Westminster Press, [date of publication not identified]
Buku Teks SO
Beheim-Schwarzbach, Martin
Hamburg Rowohlt 1964
Buku Teks
Long, Edward LeRoy
Oxford University Press, 1967
Buku Teks SO
by Jack Canfield ... [and others]
Health Communication, 1997
Buku Teks SO
Harry Bawono
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Tesis Membership