Mandell, Steven L., author
West Publishing, 1983
Buku Teks
O`Malley, Timothy J., author
Tab Books, 1983
Buku Teks
Mandell, Steven L., author
West Publishing Company, 1982
Buku Referensi
Mandell, Steven L., author
West Publishing Company, 1982
Buku Teks
O`Brien, James A., 1936-, author
Richard D. Iriwin, 1986
Buku Referensi