Contemporary debates in metaphysics / edited by Theodore Sider, John Hawthorne and Dean W. Zimmerman. - Sider, Theodore. (OLS)http://pul/name/71972; Hawthorne, John. (OLS)http://pul/name/55679; Zimmerman, Dean W. (OLS)http://pul/name/54284 (Blackwell Publishing, 2008)
Bibliografia in nota.