Burr, Nelson R.
Princeton University Press,, 1961
Buku Teks
Johnstone, Ronald L.
Prentice-Hall, 1975
Buku Teks
Wilsey, John D.
IVP Academic, 2015
Buku Teks
edited by James Ward Smith and A. Leland Jamison
Princeton University Press, 1961
Buku Teks
Farrington, Karen
Chancellor Pres, 1998
Buku Referensi