Allen, R.G.D., author
Hutchinson University Library, 1972
Buku Teks
Chao, Lincoln L., author
McGraw-Hill, 1974
Buku Teks
Devore, Jay L, author
[Springer, ], 2012
eBooks
Sigel, Andrew F., author
John Wiley & Sons, 1996
Buku Teks
Hays, William L. (William Lee), 1926-1995, author
Holt, Rinehart and Winston, 1971
Buku Teks