Sukarno and Sukarno, orator, “Amanat Bapak Presiden Suakrno Dihadapan Para Anggota Presidium Badan Musjawarah Bahari di Istana Merdeka, Djakarta, 15 Desember 1966,” Monash Collections Online, accessed March 31, 2023, https://repository.monash.edu/items/show/12357.