Barro, Robert J.
McGraw-Hill, 1995
Buku Teks
Barro, Robert J.
MIT Press, 2003
Buku Teks
Rostow, Walt Whitman
W.W. Norton, 1962
Buku Teks SO
edited by Ralph Landau, Timothy Taylor and Gavin Wright
Stanford University Press, 1996
Buku Teks SO
Eltis, W.A.
Hutchinson University Library , 1966
Buku Teks