Z. A. Ahmad
Politik dan hukum negara
Saiful, 1951
Buku Teks
Negara leviathan dan etika perdamaian dalam pandangan Thomas Hobbes
Artikel Jurnal
Plato's republic / introduction by A.A. Linday
E.P.Dutton, 1954
Buku Teks
Machiavelli, Niccolo
The discourses of Niccolo Machiavelli / translated from the italian with an introduction and notes by Leslie J. Walker
Routledge & Kegan Paul, 1950
Buku Teks
Hobbes, Thomas
Leviathan
Broadview Literary Texts , 2002
Buku Teks