Frank, J. (1979). School principal's handbook of evaluation guidelines. Parker.
Chicago-čujuhus (17. p.)Frank, John. School Principal's Handbook of Evaluation Guidelines. New York: Parker, 1979.
MLA-čujuhus (9. p.)Frank, John. School Principal's Handbook of Evaluation Guidelines. Parker, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.