edited by, John T. McNeill; translated and indexed by, Ford Lewis Battles
The Westminster Press, [date of publication not identified]
Buku Teks
Long, Edward LeRoy
Oxford University Press , 1967
Buku Teks
by Jack Canfield ... [and others]
Health Communication, 1997
Buku Teks
Herausgegeben
Max Niemeyer Verlag, 1965
Buku Teks
Weimar Volksverlag 1962
Buku Teks