HAGEMANN GISELA. (1994). THE MOTIVATION MANUAL. MULTI-TECH PUBLICATIONS CO.
Chicago-čujuhus (17. p.)HAGEMANN GISELA. THE MOTIVATION MANUAL. MUMBAI: MULTI-TECH PUBLICATIONS CO, 1994.
MLA-čujuhus (9. p.)HAGEMANN GISELA. THE MOTIVATION MANUAL. MULTI-TECH PUBLICATIONS CO, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.