LOW, D. A. (1960). HEAT ENGINES. LONGMAN SCI & TECH.
Lua i Stíl Chicago (17ú heag.)LOW, DAVID ALLAN. HEAT ENGINES. LONDON: LONGMAN SCI & TECH, 1960.
Lua MLA (9ú heag.)LOW, DAVID ALLAN. HEAT ENGINES. LONGMAN SCI & TECH, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.