Clark, P. W., & Lyons, L. A. (2014). George Owen Squier: U.S. Army major general, inventor, aviation pioneer, founder of Muzak. McFarland & Company.
Chicago-viite (17. p.)Clark, Paul W., ja Laurence A. Lyons. George Owen Squier: U.S. Army Major General, Inventor, Aviation Pioneer, Founder of Muzak. Jefferson, North Carolina: McFarland & Company, 2014.
MLA-viite (9. p.)Clark, Paul W., ja Laurence A. Lyons. George Owen Squier: U.S. Army Major General, Inventor, Aviation Pioneer, Founder of Muzak. McFarland & Company, 2014.
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