Atkinson, Kendall E.
John Wiley & Sons, 2001
Buku Teks
Bradie, Brian
Pearson/Prentice Hall, 2006
Buku Teks
Hildebrand, Francis Begnaud
Tata McGraw-Hill, 1974
Buku Teks
Stoer, Josef
Springer-Verlag, 1993
Buku Teks
Atkinson, Kendall E.
John Wiley & Sons, 1978
Buku Teks