KENNEDY, M. (1988). Structured Pl/zero Plus Pl/one Michael Kennedy, Martin B. Solomon. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)KENNEDY, Michael. Structured Pl/zero Plus Pl/one Michael Kennedy, Martin B. Solomon. Prentice Hall, 1988.
Lua MLA (8ú heag.)KENNEDY, Michael. Structured Pl/zero Plus Pl/one Michael Kennedy, Martin B. Solomon. Prentice Hall, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.