Nguyen, L., Sperl, R., & Zimmermann, M. (2020). Die Notwendigkeit der Notwendigkeit: All songs written and performed by PAAR ; PAAR are Ly Nguyen, Rico Sperl, Matthias Zimmermann. Grzegorzki Records.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNguyen, Ly, Rico Sperl, और Matthias Zimmermann. Die Notwendigkeit Der Notwendigkeit: All Songs Written and Performed by PAAR ; PAAR Are Ly Nguyen, Rico Sperl, Matthias Zimmermann. Berlin: Grzegorzki Records, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNguyen, Ly, et al. Die Notwendigkeit Der Notwendigkeit: All Songs Written and Performed by PAAR ; PAAR Are Ly Nguyen, Rico Sperl, Matthias Zimmermann. Grzegorzki Records, 2020.
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