edited by Miriam K. Starkman
Alfred A. Knopf, 1967
Buku Teks SO
Hocart, A.M.
Oxford University Press, 1969
Buku Teks SO
Amirul Hadi
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1999
UI - Disertasi Membership
edited by Norman F. Cantor and Peter L. Klein
Blaisdell, 1969
Buku Teks SO
Ashley, Maurice
Penguin Books, 1952
Buku Teks SO