APA-referens (7:e uppl.)
Maurer, C. (2019). Pretty ugly: Why we like some songs, faces, foods,plays, pictures, poems, etc., and dislike others. Cambridge Scholars Publishing.
Chicago-referens (17:e uppl.)
Maurer, Charles. Pretty Ugly: Why We like Some Songs, Faces, Foods,plays, Pictures, Poems, Etc., and Dislike Others. Newcastle upon Tyne, UK: Cambridge Scholars Publishing, 2019.
MLA-referens (9:e uppl.)
Maurer, Charles. Pretty Ugly: Why We like Some Songs, Faces, Foods,plays, Pictures, Poems, Etc., and Dislike Others. Cambridge Scholars Publishing, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.