Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.