Weber, T. P. (1978). The future explored. Victor books.
Lua i Stíl Chicago (17ú heag.)Weber, Timothy P. The Future Explored. Ontario: Victor books, 1978.
Lua MLA (9ú heag.)Weber, Timothy P. The Future Explored. Victor books, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.