Spring, M., Aderkas, N. v., Rukavina, F., & Peggie, D. (2017). An stronomer by Ferdinand Bol: Materials, Colour Change and Conservation. National Gallery Technical Bulletin : Volume 38.
Citazione stile Chigago Style (17a edizione)Spring, Marika, Nelly von Aderkas, Flaminia Rukavina, e David Peggie. "An Stronomer by Ferdinand Bol: Materials, Colour Change and Conservation." National Gallery Technical Bulletin : Volume 38 2017.
Citatione MLA (8a ed.)Spring, Marika, et al. "An Stronomer by Ferdinand Bol: Materials, Colour Change and Conservation." National Gallery Technical Bulletin : Volume 38, 2017.
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