Simbulan, R. G. (1991). The continuing struggle for an independent Philippine foreign policy. Nuclear Free Philippines Coalition.
Chicago-referens (17:e uppl.)Simbulan, Roland G. The Continuing Struggle for an Independent Philippine Foreign Policy. Manila: Nuclear Free Philippines Coalition, 1991.
MLA-referens (9:e uppl.)Simbulan, Roland G. The Continuing Struggle for an Independent Philippine Foreign Policy. Nuclear Free Philippines Coalition, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.