Nelson, D. E. (1981). Basic: A simplified structured approach. Reston Publishing.
Lua i Stíl Chicago (17ú heag.)Nelson, Dale E. Basic: A Simplified Structured Approach. Reston, Va: Reston Publishing, 1981.
Lua MLA (9ú heag.)Nelson, Dale E. Basic: A Simplified Structured Approach. Reston Publishing, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.