TIBBS, C. E. FREQUENCY MODULATION ENGINEERING.
Lua i Stíl Chicago (17ú heag.)TIBBS, CHRISTOPHER E. FREQUENCY MODULATION ENGINEERING. CHAP/HALL., 1947. 310P.
Lua MLA (8ú heag.)TIBBS, CHRISTOPHER E. FREQUENCY MODULATION ENGINEERING.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.