Gaya APA
Developing World-Annual Editions. (2007).
New York:
[s.n.].
Gaya Chicago
Developing World-Annual Editions.
.
New York:
[s.n.],
2007.
Text.
Gaya MLA
Developing World-Annual Editions.
.
New York:
[s.n.],
2007.
Text.
Gaya Turabian
Developing World-Annual Editions.
New York:
[s.n.],
2007.
Print.