Savage, William R.
Oxford University Press, 1977
Buku Teks
Buchanan, James L., author
Society for Industrial and Applied Mathematics, 2004
eBooks
Seto, William W., author
McGraw-Hill, 1971
Buku Teks
Seto, William W., author
McGraw-Hill, 1970
Buku Teks
Smith, B.J., author
Longman, 1971
Buku Teks