Marranci, Gabriele, author
Berg, 2006
Buku Teks
Kennedy, Robert F., 1925-1968, author
Harper & Row , 1960
Buku Teks
C.L. van Langenhuysen, 1918
Buku Teks
Keeton, George W., 1902-1989., editor
Stevans & Sons , 1949
Buku Teks
Shahram Akbarzadeh
Roudledge, 2006
Buku Teks