Cava, R. (1990). Dealing with difficult people. Piatkus.
Chicago-čujuhus (17. p.)Cava, Roberta. Dealing with Difficult People. London: Piatkus, 1990.
MLA-čujuhus (9. p.)Cava, Roberta. Dealing with Difficult People. Piatkus, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.