Merrill, Ray M., author
Jones & Bartlett Learning, 2016
Buku Teks
Clements, Richard Barret, author
Prentice-Hall, 1994
Buku Referensi
Ryan, Thomas P., author
Wiley, 1989
Buku Teks
Ryan, Thomas P., author
John Wiley & Sons, 2011
Buku Teks
Edwards, Allen L., author
Holt, Rinehart and Winston, 1966
Buku Teks