Lefkovitz, D. (1969). File structures for on-line systems. Hayden Book.
Lua i Stíl Chicago (17ú heag.)Lefkovitz, David. File Structures for On-line Systems. Rochelle Park, N. J: Hayden Book, 1969.
Lua MLA (9ú heag.)Lefkovitz, David. File Structures for On-line Systems. Hayden Book, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.