Woods, Ivan
The Law Book Company Limited, 1989
Buku Teks
Baker, H. Kent, author
Emerald, 2017
eBooks
Manurung, Adler Haymans, 1961-, author
Adler Manurung Press, 2013
Buku Teks
George, F.H., author
Abacus Press, 1984
Buku Teks
Coates, C. Robert, author
McGraw-Hill, 1978
Buku Teks