Ibrahim, R. A. (1985). Parametric random vibration. Research Studies Press ; Wiley.
Lua i Stíl Chicago (17ú heag.)Ibrahim, R. A. Parametric Random Vibration. Letchworth, Hertfordshire, England : New York: Research Studies Press ; Wiley, 1985.
Lua MLA (8ú heag.)Ibrahim, R. A. Parametric Random Vibration. Research Studies Press ; Wiley, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.