Wiley-Blackwell, 2011
eBooks
Thomas F. King, editor
Wiley Blackwell, 2011
Buku Teks
Carman, John, 1952-
Cambridge University Press, 2015
Buku Teks SO
Walton, Thomas F.
John Wiley & Sons, 1976
Buku Teks
edited by Dismond Graves
Elsevier, 1973
Buku Teks SO