APA-čujuhus (7. p.)

Perkins, D. (1952). The American approach to foreing policy. Harvard University.

Chicago-čujuhus (17. p.)

Perkins, Dexter. The American Approach to Foreing Policy. Cambridge, Massachussetts: Harvard University, 1952.

MLA-čujuhus (9. p.)

Perkins, Dexter. The American Approach to Foreing Policy. Harvard University, 1952.

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