Marsh, R. W. (1960). Principles of refrigeration. Delmar Pub.
Lua i Stíl Chicago (17ú heag.)Marsh, R. Warren. Principles of Refrigeration. Albany, N.Y: Delmar Pub, 1960.
Lua MLA (9ú heag.)Marsh, R. Warren. Principles of Refrigeration. Delmar Pub, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.