Gaya APA
The sign of the ivory horn : eastern africa civlization. (1971).
New York:
[s.n.].
Gaya Chicago
The sign of the ivory horn : eastern africa civlization.
.
New York:
[s.n.],
1971.
Text.
Gaya MLA
The sign of the ivory horn : eastern africa civlization.
.
New York:
[s.n.],
1971.
Text.
Gaya Turabian
The sign of the ivory horn : eastern africa civlization.
New York:
[s.n.],
1971.
Print.