Richardson-Self, L. (2015). Justifying same-sex marriage: A philosophical investigation. Rowman & Littlefield International Ltd.
Chicago-referens (17:e uppl.)Richardson-Self, Louise. Justifying Same-sex Marriage: A Philosophical Investigation. London, United Kingdom: Rowman & Littlefield International Ltd, 2015.
MLA-referens (9:e uppl.)Richardson-Self, Louise. Justifying Same-sex Marriage: A Philosophical Investigation. Rowman & Littlefield International Ltd, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.