AMLING, F. (1973). Programmed Learning Aid For Principles Of Investments / Frederick Amling. Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)AMLING, Frederick. Programmed Learning Aid For Principles Of Investments / Frederick Amling. Richard D. Irwin, 1973.
Lua MLA (8ú heag.)AMLING, Frederick. Programmed Learning Aid For Principles Of Investments / Frederick Amling. Richard D. Irwin, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.