PARKIN, M. (1990). Macro Economics. Addison-Wesley Publishing.
Lua i Stíl Chicago (17ú heag.)PARKIN, Michael. Macro Economics. Addison-Wesley Publishing, 1990.
Lua MLA (8ú heag.)PARKIN, Michael. Macro Economics. Addison-Wesley Publishing, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.