Gaya APA
Kerr, Gordon. (2009).
Leaders who changed the world (1).
London:
Futura.
Gaya Chicago
Kerr, Gordon.
Leaders who changed the world.
1
London:
Futura,
2009.
Text.
Gaya MLA
Kerr, Gordon.
Leaders who changed the world.
1
London:
Futura,
2009.
Text.
Gaya Turabian
Kerr, Gordon.
Leaders who changed the world.
1
London:
Futura,
2009.
Print.