editor, M.L. Stitch, Michael Bass
North-Holland, 1985
Buku Referensi
Toynbee, Arnold J., author
Oxford University Press , 1948
Buku Referensi
edited by Lawrence Grossberg
Routledge, 1992
Buku Teks
edited by Janne Carlsson, N.G. Ohlson
Pergamon Press, 1984
Buku Teks
Kementerian Penerangan Indonesia
Kementrian Penerangan, 1953
Buku Referensi