Knes, H. P., Othmann, C., & Roland, J. (2023). Correspondences: Heinz Peter Knes ; edited by Charlotte Othman in collaboration with Julien Roland. Is-Land.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKnes, Heinz Peter, Charlotte Othmann, और Julien Roland. Correspondences: Heinz Peter Knes ; Edited by Charlotte Othman in Collaboration with Julien Roland. [Paris]: Is-Land, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKnes, Heinz Peter, et al. Correspondences: Heinz Peter Knes ; Edited by Charlotte Othman in Collaboration with Julien Roland. Is-Land, 2023.
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