APA Style
Ruhl, Christof. (2008).
BP statistical review of world energy June 2008 .
Jakarta:
BP.
Chicago Style
Ruhl, Christof.
BP statistical review of world energy June 2008.
Jakarta:
BP,
2008.
Text.
MLA Style
Ruhl, Christof.
BP statistical review of world energy June 2008.
Jakarta:
BP,
2008.
Text.
Turabian Style
Ruhl, Christof.
BP statistical review of world energy June 2008.
Jakarta:
BP,
2008.
Print.