(1970). My Friends Pictured Within: The subjects of the Enigma Variations as portrayed in contemporary photographs and Elgar's manuscripts. Novello.
Chicago-Zitierstil (17. Ausg.)My Friends Pictured Within: The Subjects of the Enigma Variations as Portrayed in Contemporary Photographs and Elgar's Manuscripts. Borough Green, Sevenoaks, Kent: Novello, 1970.
MLA-Zitierstil (8. Ausg.)My Friends Pictured Within: The Subjects of the Enigma Variations as Portrayed in Contemporary Photographs and Elgar's Manuscripts. Novello, 1970.
警告：这些引文格式不一定是100％准确.