Allen. Investment Management in Boston. University of Massachusetts Press.
Chicago-čujuhus (17. p.)Allen. Investment Management in Boston. University of Massachusetts Press.
MLA-čujuhus (9. p.)Allen. Investment Management in Boston. University of Massachusetts Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.