Dernburg, Thomas F., author
McGraw-Hill, 1976
Buku Teks
Dernburg, Thomas F., author
McGraw-Hill, 1972
Buku Teks
Dernburg, Thomas F., author
McGraw-Hill, 1960
Buku Teks
Dernburg, Thomas F., author
McGraw-Hill, 1976
Buku Teks
Wilson, Charles E., author
Harper & Row , 1989
Buku Teks