Cita APA

Kerr, G. (2009). Leaders who changed the world. Futura.

Chicago Edition Citation

Kerr, Gordon. Leaders Who Changed the World. London: Futura, 2009.

Cita MLA

Kerr, Gordon. Leaders Who Changed the World. Futura, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.