Jelaskan Rekapitulasi dari Partai Syarikat Islam Indonesia

Evans, Kevin Raymond, (2003) The History of Political Parties & General Elections in Indonesia, Arise Consultancies, Jakarta, ISBN 979-97445-0-4

Feith, Herbert (2007) The Decline of Constitutional Democracy in Indonesia  Equinox Publishing (Asia) Pte Ltd, ISBN 979-3870-45-2

Ricklefs, M.C. (1991). A history of modern Indonesia since c.1200. Stanford: Stanford University Press. ISBN 0-8047-4480-7

Simanjuntak, P.H.H (2003) Kabinet-Kabinet Republik Indonesia: Dari Awal Kemerdekaan Sampai Reformasi (Cabinets of the Republic of Indonesia: From the Start of Independence to the Reform era, Penerbit Djambatan, Jakarta, ISBN 979-428-499-8