3BM Television (Firm), WGBH Educational Foundation, & Nicholson, P. (2003). Who killed the Red Baron: A new look at who may have taken the Red Baron down. WGBH Educational Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र3BM Television (Firm), WGBH Educational Foundation, और Peter Nicholson. Who Killed the Red Baron: A New Look at Who May Have Taken the Red Baron Down. [United States]: WGBH Educational Foundation, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्र3BM Television (Firm), et al. Who Killed the Red Baron: A New Look at Who May Have Taken the Red Baron Down. WGBH Educational Foundation, 2003.
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