Haydon, G. (2007). Values for educational leadership. SAGE Publications.
Chicago-čujuhus (17. p.)Haydon, Graham. Values for Educational Leadership. Los Angeles: SAGE Publications, 2007.
MLA-čujuhus (9. p.)Haydon, Graham. Values for Educational Leadership. SAGE Publications, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.