SCHAEFER SUSAN DAVIDSON. (1977). MOTIVATION PROCESS. WINTHROP PUBLISHERS.
Chicago-čujuhus (17. p.)SCHAEFER SUSAN DAVIDSON. MOTIVATION PROCESS. CAMBRIDGE: WINTHROP PUBLISHERS, 1977.
MLA-čujuhus (9. p.)SCHAEFER SUSAN DAVIDSON. MOTIVATION PROCESS. WINTHROP PUBLISHERS, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.