Powelson, John P., author
McGraw-Hill , 1964
Buku Teks
Powelson, John P., author
McGraw-Hill , 1964
Buku Teks
Szulc, Tad, author
Frederick A. Praeger, 1965
Buku Teks
Arendt, Hannah, 1906-1975, author
Penguin, 1965
Buku Teks
edited by M.M. Glatt and J. Marks
MTP Press Limited, 1982
Buku Teks