APA-referens (7:e uppl.)
(1994). The Sitwells and the arts of the 1920s and 1930s. National portrait Gallery.
Chicago-referens (17:e uppl.)
The Sitwells and the Arts of the 1920s and 1930s. London: National portrait Gallery, 1994.
MLA-referens (9:e uppl.)
The Sitwells and the Arts of the 1920s and 1930s. National portrait Gallery, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.