Dolan, R. J. (1996). Power Pricing. the Free Press.
Lua i Stíl Chicago (17ú heag.)Dolan, Robert J. Power Pricing. the Free Press, 1996.
Lua MLA (8ú heag.)Dolan, Robert J. Power Pricing. the Free Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.