Hale, Jonathan A.
John Wiley & Sons, 2000
Buku Teks
Caper, Robert
Routledge, Taylor & Francis Group, 2009
Buku Teks
Srinivasan, Mandyam, 1948-
McGraw-Hill, 2012
Buku Teks
Billings, Keith H.
Van Nostrand Reinhold, 1993
Buku Teks
Willer, David
Standford University Press, 2007
Buku Teks