Hart, A. D. (1989). Overcoming anxiety. Word.
Chicago-čujuhus (17. p.)Hart, Archibald D. Overcoming Anxiety. Word, 1989.
MLA-čujuhus (9. p.)Hart, Archibald D. Overcoming Anxiety. Word, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.