edited by S.T. Cowan, G.I. Barrow, R.K.A. Feltham
Cambridge University Press, 1993
Buku Teks
Philipp Meuser, editor
DOM Publishers, 2011
Buku Teks
Biloon, Frank, author
Prentice-Hall, 1978
Buku Referensi
Casen, Douglass
Vintage, 1964
Buku Teks
Swearingen, Pamela L., author
Mosby, 2007
Buku Teks