Mandell, Steven L.
West Publishing, 1983
Buku Teks
Carver, Keith R.
John Wiley & Sons, 1983
Buku Teks
Mandell, Steven L.
West Publishing Company, 1982
Buku Referensi
Mandell, Steven L.
West Publishing Company, 1982
Buku Teks
Gallo, Michael A.
Prindle, Weber and Schmidt, 1985
Buku Teks