Partisan Pictures, National Geographic Television & Film, Warner Home Video (Firm), Schnall, P., & Zinwalt, L. (2004). Inside the U.S. Secret Service. Warner Home Video.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPartisan Pictures, National Geographic Television & Film, Warner Home Video (Firm), Peter Schnall, और Lise Zinwalt. Inside the U.S. Secret Service. Burbank, CA: Warner Home Video, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPartisan Pictures, et al. Inside the U.S. Secret Service. Warner Home Video, 2004.
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