Landsburg, S. E. (1989). Price theory and application. Dryden Press.
Lua i Stíl Chicago (17ú heag.)Landsburg, Steven E. Price Theory and Application. Chicago: Dryden Press, 1989.
Lua MLA (9ú heag.)Landsburg, Steven E. Price Theory and Application. Dryden Press, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.