Pfeffer, F., & Lambers, F. (2007). output: International Yearbook for Students in Visual Communication / [Editor] Florian Pfeffer, Friederike Lambers. Schmidt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPfeffer, Florian, और Friederike Lambers. Output: International Yearbook for Students in Visual Communication / [Editor] Florian Pfeffer, Friederike Lambers. Mainz: Schmidt, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPfeffer, Florian, और Friederike Lambers. Output: International Yearbook for Students in Visual Communication / [Editor] Florian Pfeffer, Friederike Lambers. Schmidt, 2007.
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