Hamid Algadri
Prime minister Sjahrir as statesman and diplomat : how the allies became friends of Indonesia and opponents of the Dutch (1945-1949) / Hamid Algadri
LP3ES, 1995
 Buku Teks SO
Hughes, Colin Anfield
Mr Prime Minister : Australian Prime Ministers, 1901-1972
Oxford University Press, 1976
 Buku Teks
Chamil Wariya
Najib Razak: prime minister of Malaysia
MPH Group Publishing Sdn Bhd, 2009
 Buku Teks SO
Muhammad Arif
How threat assessment could become self-fulfilling prophecy: case of U. S.-China relations / Muhammad Arif
Departemen Ilmu Hubungan Internasional Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2016
 Artikel Jurnal
Najib: beginning of a legacy: commemorating one year as prime minister of Malaysia / edited by Ng Tieh Chuan
MPH Group , 2010
 Buku Referensi