Petrova, E. N., Reifenscheid, B., & Bodenstein, M. (2018). Ruth Baumgarte: The Ludwig Museum in the Russian Museum ; [exhibition]. Palace Editions.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPetrova, Evgenija Nikolaevna, Beate Reifenscheid, और Maren Bodenstein. Ruth Baumgarte: The Ludwig Museum in the Russian Museum ; [exhibition]. St. Petersburg: Palace Editions, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPetrova, Evgenija Nikolaevna, et al. Ruth Baumgarte: The Ludwig Museum in the Russian Museum ; [exhibition]. Palace Editions, 2018.
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