APA-čujuhus (7. p.)
ebrary, Inc, Gardiner, F., & Garmson, E. (2010). Plastics and the environment. iSmithers.
Chicago-čujuhus (17. p.)
ebrary, Inc, Frances Gardiner, juo Eleanor Garmson. Plastics and the Environment. Shawbury, U.K.: iSmithers, 2010.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Plastics and the Environment. iSmithers, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.