Arnold, M. D., & Gustavson, A. (2025). Big Boy 4014 and the steam team: The world's largest steam engine roars back to life! Sleeping Bear Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArnold, Marsha Diane, और Adam Gustavson. Big Boy 4014 and the Steam Team: The World's Largest Steam Engine Roars Back to Life! Ann Arbor, MI: Sleeping Bear Press, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArnold, Marsha Diane, और Adam Gustavson. Big Boy 4014 and the Steam Team: The World's Largest Steam Engine Roars Back to Life! Sleeping Bear Press, 2025.
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