Ahmed, Akbar S.
Vistaar Publications, 1990
Buku Teks SO
Ahmed, Akbar S.
Routledge, 1988
Buku Teks SO
edited by Peter G. Gowing and Robert Day McAmis
Solidaridad Pub. House, 1974
Buku Teks SO
Ayoub, Mahmoud M.
Mizan, 2003
Buku Teks SO
edited by Tim Waller, Judy Whitmarsh, and Karen Clarke
McGraw-Hill, 2011
Buku Teks SO