APA Style
Kerr, Gordon. (2009).
Leaders who changed the world .
Amerika Serikat:
Futura.
Chicago Style
Kerr, Gordon.
Leaders who changed the world.
Amerika Serikat:
Futura,
2009.
Text.
MLA Style
Kerr, Gordon.
Leaders who changed the world.
Amerika Serikat:
Futura,
2009.
Text.
Turabian Style
Kerr, Gordon.
Leaders who changed the world.
Amerika Serikat:
Futura,
2009.
Print.