APA-čujuhus (7. p.)
ebrary, Inc, & Bullock, J. A. (2006). Introduction to homeland security (2nd ed.). Butterworth-Heinemann.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Jane A. Bullock. Introduction to Homeland Security. 2nd ed. Amsterdam ; Boston: Butterworth-Heinemann, 2006.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Jane A. Bullock. Introduction to Homeland Security. 2nd ed. Butterworth-Heinemann, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.