APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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