Singer, Kurt D.
Wilco Publishing House, 2014
Buku Teks
Payne, Robert
Thomas Nelson & Sons, 1957
Buku Teks
Schweitzer, Albert
New American Library, 1960
Buku Teks
Babel, H.A.
Neuchatel Messeiller 1954
Buku Teks
Ginter, Peter M.
Wiley, Hoboken, NJ., 2018
Buku Teks