APA-čujuhus (7. p.)
ebrary, Inc, & Lucas, M. (2000). Environments. Routledge.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Michael Lucas. Environments. London: Routledge, 2000.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Michael Lucas. Environments. Routledge, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.