APA-čujuhus (7. p.)
ebrary, Inc, Bennett, R. J., & Estall, R. C. (1991). Global change and challenge: Geography for the 1990s. Routledge.
Chicago-čujuhus (17. p.)
ebrary, Inc, R. J. Bennett, juo Robert C. Estall. Global Change and Challenge: Geography for the 1990s. London ; New York: Routledge, 1991.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Global Change and Challenge: Geography for the 1990s. Routledge, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.