LA BUDDE, K. (1987). Structured Programming Concepts Keith La Budde. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)LA BUDDE, Keith. Structured Programming Concepts Keith La Budde. McGraw-Hill, 1987.
Lua MLA (8ú heag.)LA BUDDE, Keith. Structured Programming Concepts Keith La Budde. McGraw-Hill, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.