Simon, H., & Simon, H. (2007). Maximum profit minimum problem Hermann Simon. Kaifa.
Lua i Stíl Chicago (17ú heag.)Simon, Hermann, agus Hermann Simon. Maximum Profit Minimum Problem Hermann Simon. Kaifa, 2007.
Lua MLA (8ú heag.)Simon, Hermann, agus Hermann Simon. Maximum Profit Minimum Problem Hermann Simon. Kaifa, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.