Clarke, M.L.
Harvard University Press, 1960
Buku Teks
Alston, Richard
Routledge , 1995
Buku Teks
Cicero, E.N.P. Moor
Modern Library, 1951
Buku Teks
Harris, Robert, 1957-
Gramedia Pustaka Utama, 2015
Buku Teks
Harris, Robert, 1957-
Gramedia Pustaka Utama, 2006
Buku Teks