APA-čujuhus (7. p.)
ebrary, Inc, & Velasquez, H. R. (2011). Pollution control: Management, technology and regulations. Nova Science Publishers.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Horatio R. Velasquez. Pollution Control: Management, Technology and Regulations. Hauppauge, N.Y.: Nova Science Publishers, 2011.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Horatio R. Velasquez. Pollution Control: Management, Technology and Regulations. Nova Science Publishers, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.