Salaman, Redclife N.
Potato varieties
Cambridge University Press, 2014
 Buku Teks
Friedman, Thomas L.
The world is flat : the globalized world in the twenty-first century
Penguin Book, 2006
 Buku Teks
Capitalism today
edited by Daniel Bell and Irving Kristol
Basic Books, 1971
 Buku Teks
Risking capitalism
edited by Susanne Soederberg
Emerald, 2016
 eBooks
Arnold, Thurman Wesley
The folklore of capitalism
Blue Ribbon Books, 1937
 Buku Klasik