APA (7e ed.) Bronvermelding
(1994). The Sitwells and the arts of the 1920s and 1930s. National portrait Gallery.
Chicago (17e ed.) Bronvermelding
The Sitwells and the Arts of the 1920s and 1930s. London: National portrait Gallery, 1994.
MLA (9e ed.) Bronvermelding
The Sitwells and the Arts of the 1920s and 1930s. National portrait Gallery, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.