CAMPBELL A. (1998). SYNERGY: WHY LINKS BETWEEN UNITS OFTEN FAIL----THEM WORK. CAPSTONE.
Chicago-čujuhus (17. p.)CAMPBELL A. SYNERGY: WHY LINKS BETWEEN UNITS OFTEN FAIL----THEM WORK. U K: CAPSTONE, 1998.
MLA-čujuhus (9. p.)CAMPBELL A. SYNERGY: WHY LINKS BETWEEN UNITS OFTEN FAIL----THEM WORK. CAPSTONE, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.