Kendall Kenneth. (1999). System analysis and design (4.). Prentice Hall of India.
Lua i Stíl Chicago (17ú heag.)Kendall Kenneth. System Analysis and Design. 4. Londan: Prentice Hall of India, 1999.
Lua MLA (9ú heag.)Kendall Kenneth. System Analysis and Design. 4. Prentice Hall of India, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.