BESTWICK PAUL F. (1982). QUANTITATIVE PRODUCTION MANAGEMENT. PITMAN PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)BESTWICK PAUL F. QUANTITATIVE PRODUCTION MANAGEMENT. LONDON: PITMAN PUBLICATIONS, 1982.
Lua MLA (9ú heag.)BESTWICK PAUL F. QUANTITATIVE PRODUCTION MANAGEMENT. PITMAN PUBLICATIONS, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.