Otterbein, K. F. (2004). How war began. Texas A&M University Press.
Chicago-čujuhus (17. p.)Otterbein, Keith F. How War Began. College Station: Texas A&M University Press, 2004.
MLA-čujuhus (9. p.)Otterbein, Keith F. How War Began. Texas A&M University Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.