Gaya APA
Pocket world in figures. (2008).
London:
Profile Books.
Gaya Chicago
Pocket world in figures.
2009 ed.
London:
Profile Books,
2008.
Text.
Gaya MLA
Pocket world in figures.
2009 ed.
London:
Profile Books,
2008.
Text.
Gaya Turabian
Pocket world in figures.
London:
Profile Books,
2008.
Print.