Shidle, Norman G.
McGraw-Hill, 1951
Buku Teks
Neumann, Richard K.
Wolters Kluwer Law & Business, 2013
Buku Teks
Brand, Norman
St. Martin's Press, 1994
Buku Teks
Biskind, Elliott L.
Clark Boardman, 1971
Buku Teks
Brand, Norman
St.Martin`s Press, 1976
Buku Teks