Mehr, R. I. (1979). Programmed learning aid for life insuranc. Learning.
Cita Chicago (17th ed.)Mehr, Robert I. Programmed Learning Aid for Life Insuranc. Homewood: Learning, 1979.
Cita MLA (9th ed.)Mehr, Robert I. Programmed Learning Aid for Life Insuranc. Learning, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.