Não informado. (1974). Computers and Operations Research. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Computers and Operations Research. New York: Pergamon Press, 1974.
Lua MLA (8ú heag.)Não informado. Computers and Operations Research. Pergamon Press, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.