ZWASS VALDIMIR. (1981). PROGRAMMING IN FORTRAN. BARNET NOBLE BOOKS.
Lua i Stíl Chicago (17ú heag.)ZWASS VALDIMIR. PROGRAMMING IN FORTRAN. NEW YORK: BARNET NOBLE BOOKS, 1981.
Lua MLA (9ú heag.)ZWASS VALDIMIR. PROGRAMMING IN FORTRAN. BARNET NOBLE BOOKS, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.