Belknap Press of Harvard University Press, 1999
Buku Teks SO
Ade S. Natawiria
Program Pascasarjana Universitas Indonesia, 2002
UI - Tesis Membership
Koch, Adrienne
Modern Library, 1944
Buku Teks SO
edited by Lawrence Grossberg
Routledge, 1992
Buku Teks SO
editor, M.L. Stitch, Michael Bass
North-Holland, 1985
Buku Referensi