Junio Valderrama, author
[Fakultas Ilmu Pengetahuan Budaya, ],
UI - Makalah dan Kertas Kerja
Gooch, G.P., author
Beacon Press, 1968
Buku Teks
edited by Harriet Devine Jump
London : Routledge, 1998,
Buku Teks
edited by Harriet Devine Jump
Routledge , 1998
Buku Teks
Thermstern, Stephen
Cambridge, Harvard University Press
Buku Teks