Garrow, J.S.
Churchil Livingtone, 1996
Buku Teks
Nicholls, Lucius
Balai Pustaka , 1976
Buku Teks
John W. Erdman, Ian A. Macdonald, Steven H. Zeisel, editors
Wiley Blackwell, 2012
Buku Teks
Orta, John
Garland Publishing, 1988
Buku Referensi
JB. Lippincott , 1982
Buku Teks