Lappin, L., Saunders, D., & Sandell, E. (2021). National Gallery Technical Bulletin: Volume 41 / National Gallery Company, London ; publisher: Laura Lappin ; editor: David Saunders ; project editors: Elin Sandell (First published.). National Gallery Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLappin, Laura, David Saunders, और Elin Sandell. National Gallery Technical Bulletin: Volume 41 / National Gallery Company, London ; Publisher: Laura Lappin ; Editor: David Saunders ; Project Editors: Elin Sandell. First published. London: National Gallery Company, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLappin, Laura, et al. National Gallery Technical Bulletin: Volume 41 / National Gallery Company, London ; Publisher: Laura Lappin ; Editor: David Saunders ; Project Editors: Elin Sandell. First published. National Gallery Company, 2021.