HARVARD BUSINESS REVIEW. (1977). R & D MANAGEMENT: PART III. HARVARD BUS. SCHOOL.
Chicago-čujuhus (17. p.)HARVARD BUSINESS REVIEW. R & D MANAGEMENT: PART III. USA: HARVARD BUS. SCHOOL, 1977.
MLA-čujuhus (9. p.)HARVARD BUSINESS REVIEW. R & D MANAGEMENT: PART III. HARVARD BUS. SCHOOL, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.