Naval Education and Training Program Management Support Activity. (1971). Basic machines and how they work. Dover Publications.
Lua i Stíl Chicago (17ú heag.)Naval Education and Training Program Management Support Activity. Basic Machines and How They Work. New York: Dover Publications, 1971.
Lua MLA (8ú heag.)Naval Education and Training Program Management Support Activity. Basic Machines and How They Work. Dover Publications, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.