APA-čujuhus (7. p.)
Joseph, B. (2005). Environmental studies. Tata McGraw-Hill.
Chicago-čujuhus (17. p.)
Joseph, Benny. Environmental Studies. New Delhi: Tata McGraw-Hill, 2005.
MLA-čujuhus (9. p.)
Joseph, Benny. Environmental Studies. Tata McGraw-Hill, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.