APA-referens (7:e uppl.)

Edited by Layla Skinns, M. S. (2012). Risk (1.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Edited by Layla Skinns, Michael Scott. Risk. 1. Cambridge University Press, 2012.

MLA-referens (8:e uppl.)

Edited by Layla Skinns, Michael Scott. Risk. 1. Cambridge University Press, 2012.