Laski, Harold J., author
George Allen and Unwin, 1948
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1950
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1955
Buku Teks
Pardiyono, author
Andi, 2005
Buku Teks
Aristotles, author
Modern Library, 1943
Buku Teks