Sparks, L. e., & Sparks, L. (1985). The Youth Workers personal management handbook. Group Books.
Chicago-čujuhus (17. p.)Sparks, Lee ed, juo Lee Sparks. The Youth Workers Personal Management Handbook. Loveland: Group Books, 1985.
MLA-čujuhus (9. p.)Sparks, Lee ed, juo Lee Sparks. The Youth Workers Personal Management Handbook. Group Books, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.