Lua APA (7ú heag.)

Welford, W. T. (1989). Aberrations of optical systems (Repr., with minor corrections.). A. Hilger.

Lua i Stíl Chicago (17ú heag.)

Welford, W. T. Aberrations of Optical Systems. Repr., with minor corrections. Bristol, Eng. ; Philadelphia: A. Hilger, 1989.

Lua MLA (8ú heag.)

Welford, W. T. Aberrations of Optical Systems. Repr., with minor corrections. A. Hilger, 1989.

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