(2009). Helping: How to offer, give, and receive help / Edgar H. Schein.
Chicago-čujuhus (17. p.)Helping: How to Offer, Give, and Receive Help / Edgar H. Schein. 2009.
MLA-čujuhus (9. p.)Helping: How to Offer, Give, and Receive Help / Edgar H. Schein. 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.