Gaya APA
Library of nations. (1985).
Amsterdam:
Time Life Books.
Gaya Chicago
Library of nations.
.
Amsterdam:
Time Life Books,
1985.
Text.
Gaya MLA
Library of nations.
.
Amsterdam:
Time Life Books,
1985.
Text.
Gaya Turabian
Library of nations.
Amsterdam:
Time Life Books,
1985.
Print.