Bachmann, S., & Tucholke, A. G. (2023). The secret life of hidden places: Concealed rooms, clandestine passageways, and the curious minds that made them. Workman Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBachmann, Stefan, और April Genevieve Tucholke. The Secret Life of Hidden Places: Concealed Rooms, Clandestine Passageways, and the Curious Minds That Made Them. New York, NY: Workman Publishing, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBachmann, Stefan, और April Genevieve Tucholke. The Secret Life of Hidden Places: Concealed Rooms, Clandestine Passageways, and the Curious Minds That Made Them. Workman Publishing, 2023.
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