Lawson, Henry, 1867-1922
Angus and Robertson, 1972
Buku Teks
Shearer, J. Lowen
Addison-Wesley, 1971
Buku Teks
Luft, Joseph
Mayfield Publishing Company, 1984
Buku Teks
Cushing, Jim M., 1942-
Society for Industrial and Applied Mathematics, 1998
eBooks
Drysdale, Dougals
Wiley, 2011
Buku Teks