APA Style
Barack Obama. (2008).
Washington, D.C.:
Videounggul.
Chicago Style
Barack Obama.
.
Washington, D.C.:
Videounggul,
2008.
.
MLA Style
Barack Obama.
.
Washington, D.C.:
Videounggul,
2008.
.
Turabian Style
Barack Obama.
Washington, D.C.:
Videounggul,
2008.
.