APA-čujuhus (7. p.)

KRUG, M. M. (1967). History and the social science. Blaisdell Pub.

Chicago-čujuhus (17. p.)

KRUG, Mark M. History and the Social Science. Toronto: Blaisdell Pub, 1967.

MLA-čujuhus (9. p.)

KRUG, Mark M. History and the Social Science. Blaisdell Pub, 1967.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.