Gaya APA

ARDEN, P, . (2014). It's Not How Good You Are, It's How Good You Want to Be (cet. 12). London: Phaidon Press Limited.

Gaya MLA

ARDEN, PAUL, . "It's Not How Good You Are, It's How Good You Want to Be". cet. 12 London: Phaidon Press Limited, 2014. Text.