LERNER, J. J. (1985). Theory And Problems Of Business Mathematics Joel J. Lerner And Petr Zima. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)LERNER, Joel J. Theory And Problems Of Business Mathematics Joel J. Lerner And Petr Zima. McGraw-Hill, 1985.
Lua MLA (8ú heag.)LERNER, Joel J. Theory And Problems Of Business Mathematics Joel J. Lerner And Petr Zima. McGraw-Hill, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.