Gaya APA
An Economist's Protest. (1912).
U.S.A:
Library of Congress.
Gaya Chicago
An Economist's Protest.
Pertama.
U.S.A:
Library of Congress,
1912.
Text.
Gaya MLA
An Economist's Protest.
Pertama.
U.S.A:
Library of Congress,
1912.
Text.
Gaya Turabian
An Economist's Protest.
U.S.A:
Library of Congress,
1912.
Print.