Elsevier Science (Firm). (1991). International journal of production economics. Elsevier.
Lua i Stíl Chicago (17ú heag.)Elsevier Science (Firm). International Journal of Production Economics. Amsterdam ; New York: Elsevier, 1991.
Lua MLA (8ú heag.)Elsevier Science (Firm). International Journal of Production Economics. Elsevier, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.