APA-čujuhus (7. p.)
ebrary, Inc, & Denemark, R. A. (2000). World system history: The social science of long-term change. Routledge.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Robert Allen Denemark. World System History: The Social Science of Long-term Change. London New York: Routledge, 2000.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Robert Allen Denemark. World System History: The Social Science of Long-term Change. Routledge, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.