AMLING, F. (1973). Programmed Learning Aid For Principles Of Investments / Frederick Amling. Richard D. Irwin.
Chicago-viite (17. p.)AMLING, Frederick. Programmed Learning Aid For Principles Of Investments / Frederick Amling. Richard D. Irwin, 1973.
MLA-viite (8. p.)AMLING, Frederick. Programmed Learning Aid For Principles Of Investments / Frederick Amling. Richard D. Irwin, 1973.
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