(2012). National Gallery Technical Bulletin: Vol. 33. National Gallery Company.
Chicago-Zitierstil (17. Ausg.)National Gallery Technical Bulletin: Vol. 33. London: National Gallery Company, 2012.
MLA-Zitierstil (8. Ausg.)National Gallery Technical Bulletin: Vol. 33. National Gallery Company, 2012.
警告：这些引文格式不一定是100％准确.