एपीए उद्धरण

Shukla, A. K. (2014). Environmental management: Principles and practice. A K Publications.

शिकागो स्टाइल उद्धरण

Shukla, Ashutosh Kumar. Environmental Management: Principles and Practice. Delhi: A K Publications, 2014.

एमएलए उद्धरण

Shukla, Ashutosh Kumar. Environmental Management: Principles and Practice. A K Publications, 2014.