SENGE P.M. (1990). FIFTH DISCIPLINE. DOUBLE DAY.
Chicago-čujuhus (17. p.)SENGE P.M. FIFTH DISCIPLINE. NEW YORK: DOUBLE DAY, 1990.
MLA-čujuhus (9. p.)SENGE P.M. FIFTH DISCIPLINE. DOUBLE DAY, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.