Rhatigan, J., & Owsley, A. (2015). Inventions that could have changed the world ... but didn't! Imagine Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rhatigan, Joe, و Anthony Owsley. Inventions That Could Have Changed the World ... but Didn't! Watertown, MA: Imagine Publishing, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rhatigan, Joe, و Anthony Owsley. Inventions That Could Have Changed the World ... but Didn't! Imagine Publishing, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.