by Jay Lehr, Marve Hyman, Tyler E. Gass, William Seevers
McGraw-Hill, 2001
Buku Referensi
CRC Press LLC, 2001,
Buku Referensi
edited by Harry M. Freeman
McGraw-Hill, 1988
Buku Referensi
Lewis, Richard J.
Wiley-Interscience, 2002
Buku Referensi
Schnepp, Rob, 1961-
Jones & Bartlett Learning, 2016
Buku Teks