edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
Buku Teks
Cowen, Zelman, author
Butteworths, 1983
Buku Teks
edited by Wang Gungwu, Milagros Guerrero & David G. Marr
Australian National University, 1981
Buku Teks
edited by Wang Gungwu
Sydney University Press for the Australian Academy of the Humanities, 1976
Buku Teks
Hartman, Geoffrey H.
Yale University Press , 1971
Buku Teks