एपीए उद्धरण

Johansson, B., & Karlsson, C. S. (2002). Regional policies and comparative advantage. Edward Elgar.

शिकागो स्टाइल उद्धरण

Johansson, Borje, और Charlie Stough Karlsson. Regional Policies and Comparative Advantage. Cheltenham UK: Edward Elgar, 2002.

एमएलए उद्धरण

Johansson, Borje, और Charlie Stough Karlsson. Regional Policies and Comparative Advantage. Edward Elgar, 2002.