APA-čujuhus (7. p.)
De, A. K., & De, A. K. (2009). Environmental engineering. New Age International (P) Ltd., Publishers.
Chicago-čujuhus (17. p.)
De, Anil K., juo Arnab Kumar De. Environmental Engineering. New Delhi: New Age International (P) Ltd., Publishers, 2009.
MLA-čujuhus (9. p.)
De, Anil K., juo Arnab Kumar De. Environmental Engineering. New Age International (P) Ltd., Publishers, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.