Robinson, Darryl, author
Cambridge University Press, 2020
eBooks
Holmes, Oliver Wendell, Jr.
Little, Brown and Company, 1951
Buku Teks
Nemeth, Charles P., author
Jones and Bartlett, 2011
Buku Teks
Universitas Indonesia, 2014
UI - Skripsi (Membership)
lafave, Wayne R.
Thomson Reuters, 2010
Buku Teks