Ackroyd, P., Cornelis, B., Chiswell, L., & Billinge, R. (2021). The cleaning, relining and restoration of Van Dyck's Equestrian Portrait of Charles I, 1637-8. National Gallery Technical Bulletin : Volume 41.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAckroyd, Paul, Bart Cornelis, Lucy Chiswell, और Rachel Billinge. "The Cleaning, Relining and Restoration of Van Dyck's Equestrian Portrait of Charles I, 1637-8." National Gallery Technical Bulletin : Volume 41 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAckroyd, Paul, et al. "The Cleaning, Relining and Restoration of Van Dyck's Equestrian Portrait of Charles I, 1637-8." National Gallery Technical Bulletin : Volume 41, 2021.
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