Lax, Peter
Springer-Verlag, , 1979
Buku Teks
Lial, Margaret L., author
Pearson - Addison Wesley, 2008
Buku Teks
Harshbarger, Ronald J., author
Heath, 1990
Buku Teks
Golstein, Larry J., author
Prentice-Hall, 2001
Buku Teks
Hildebrand, Francis Begnaud, author
Prentice-Hall, 1976
Buku Teks