APA-referens (7:e uppl.)
ebrary, Inc, Delfino, R. A., & Gracia, J. J. E. (2006). What are we to understand Gracia to mean?: Realist challenges to metaphysical neutralism. Rodopi.
Chicago-referens (17:e uppl.)
ebrary, Inc, Robert A. Delfino, och Jorge J. E. Gracia. What Are We to Understand Gracia to Mean?: Realist Challenges to Metaphysical Neutralism. Amsterdam ; New York, NY: Rodopi, 2006.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. What Are We to Understand Gracia to Mean?: Realist Challenges to Metaphysical Neutralism. Rodopi, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.