Bittel, L. R. (1976). Improving supervisory performance. Mc Graw-Hill.
Chicago Edition CitationBittel, Lester R. Improving Supervisory Performance. Auckland: Mc Graw-Hill, 1976.
Cita MLABittel, Lester R. Improving Supervisory Performance. Mc Graw-Hill, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.