Tan Malaka
Jakarta Yayasan Massa 1987,
Buku Teks
Panggabean, M.
Pustaka Sinar Harapan , 1993
Buku Teks
Institute for development of economics and finance (INDEF),
Majalah, Jurnal, Buletin
Mohammad Hatta, 1902-1980
Tintamas, 1967
Buku Teks
Mohammad Hatta, 1902-1980
Tintamas, 1967
Buku Teks SO