Chatterson, Paul A., author
Wiley, 1992
Buku Teks
Ryan, Michael, author
Blackwell, 2007
Buku Teks
Ryan, Michael, 1951-, author
Wiley-Blackwell, 2017
Buku Teks
Daykin, C.D., author
Chapman & Hall, 1994
Buku Teks
McPartland, Joseph F., author
McGraw-Hill, 1984
Buku Referensi