Corbin, John Boyd
Phoenix The Oryx Press, 1981
Buku Teks
Tedd, Lucy A.
John Wiley & Sons, 1993
Buku Teks
Lancaster, F. Wilfrid
John Wiley & Sons, 1979
Buku Teks
Borky, John M.
Springer Cham, 2019
eBooks
Kochtanek, Thomas R.
Libraries Unlimited , 2002
Buku Teks