एपीए उद्धरण

Hitchens, D. Environmental regulation and competitive advantage. Edward Elgar.

शिकागो स्टाइल उद्धरण

Hitchens, David. Environmental Regulation and Competitive Advantage. UK: Edward Elgar.

एमएलए उद्धरण

Hitchens, David. Environmental Regulation and Competitive Advantage. Edward Elgar.