Wieck, R. S., Poos, L., Plummer, J., & Reinburg, V. (1988). Time sanctified: The Book of hours in medieval art and life. G. Braziller in association with the Walters Art Gallery, Baltimore.
Lua i Stíl Chicago (17ú heag.)Wieck, Roger S., Lawrence Poos, John Plummer, agus Virginia Reinburg. Time Sanctified: The Book of Hours in Medieval Art and Life. New York: G. Braziller in association with the Walters Art Gallery, Baltimore, 1988.
Lua MLA (8ú heag.)Wieck, Roger S., et al. Time Sanctified: The Book of Hours in Medieval Art and Life. G. Braziller in association with the Walters Art Gallery, Baltimore, 1988.
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