Lua APA (7ú heag.)
Petrus, D. A., & Warda, M. (2003). How to start a business in Pennsylvania (3rd ed.). Sphinx Pub..
Lua i Stíl Chicago (17ú heag.)
Petrus, Desiree A., agus Mark Warda. How to Start a Business in Pennsylvania. 3rd ed. Naperville, Ill.: Sphinx Pub., 2003.
Lua MLA (9ú heag.)
Petrus, Desiree A., agus Mark Warda. How to Start a Business in Pennsylvania. 3rd ed. Sphinx Pub., 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.