Cambridge University Press, 2017
eBooks
CCH Australia Limited, 1980
Buku Teks
edited by Charles J. White and Norman Gross
American Bar Association , 1985
Buku Teks
by Tan Cheng Han... [et.al.]
Sweet & Maxwell Asia, 2005
Buku Teks
general editor Michael Renshall
Butterworth, 1990
Buku Referensi