Ahmad Zaki, author
2008
UI - Skripsi (Open)
Davis, Mackenzie Leo, 1941-, author
Mc Graw Hill, 2011
Buku Teks
New York McGraw-Hill 1990,
Buku Referensi
Hammer, Mark J., author
Prentice-Hall, 2004
Buku Teks
Shigley, Joseph Edward, author
Erlangga, 1994
Buku Teks