(2009). The Roger Warner Collection: From Burford, Oxfordshire, Tuesday 20 and Wednesday 21 January 2009, auction, South Kensington. Christie's.
Chicago-Zitierstil (17. Ausg.)The Roger Warner Collection: From Burford, Oxfordshire, Tuesday 20 and Wednesday 21 January 2009, Auction, South Kensington. London: Christie's, 2009.
MLA-Zitierstil (9. Ausg.)The Roger Warner Collection: From Burford, Oxfordshire, Tuesday 20 and Wednesday 21 January 2009, Auction, South Kensington. Christie's, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.