Gaya APA
World views : a study in comparative history. (1977).
Illinois:
[s.n.].
Gaya Chicago
World views : a study in comparative history.
.
Illinois:
[s.n.],
1977.
Text.
Gaya MLA
World views : a study in comparative history.
.
Illinois:
[s.n.],
1977.
Text.
Gaya Turabian
World views : a study in comparative history.
Illinois:
[s.n.],
1977.
Print.