Lua APA (7ú heag.)

TWIST, C. Encyclopedia of science: Fuel and power. Volume IX. Macmillan Publishing Company.

Lua i Stíl Chicago (17ú heag.)

TWIST, Clint. Encyclopedia of Science: Fuel and Power. Volume IX. Macmillan Publishing Company.

Lua MLA (8ú heag.)

TWIST, Clint. Encyclopedia of Science: Fuel and Power. Volume IX. Macmillan Publishing Company.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.