Gaya APA
American Economic History. (1990).
U.S.A:
Harpercollins Publisher.
Gaya Chicago
American Economic History.
Ketiga.
U.S.A:
Harpercollins Publisher,
1990.
Text.
Gaya MLA
American Economic History.
Ketiga.
U.S.A:
Harpercollins Publisher,
1990.
Text.
Gaya Turabian
American Economic History.
U.S.A:
Harpercollins Publisher,
1990.
Print.