GEORGE C.S. (1992). SUPERVISION IN ACTION. PRENTICE - HALL.
Chicago-čujuhus (17. p.)GEORGE C.S. SUPERVISION IN ACTION. LONDON: PRENTICE - HALL, 1992.
MLA-čujuhus (9. p.)GEORGE C.S. SUPERVISION IN ACTION. PRENTICE - HALL, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.