Mulford, Charless W., author
PPM, 2010
Buku Teks
Brownlee, E. Richard, author
McGraw-Hill, 2001
Buku Teks
Brownlee, E. Richard, author
Irwin, 1998
Buku Teks
Chatov, Robert
Free Press, 1975
Buku Teks
Johnson, Hazel J., author
McGraw-Hill, 1993
Buku Teks