Ladensack, A. (2002). The History and Art of Googlies. Hobby House Press.
Lua i Stíl Chicago (17ú heag.)Ladensack, Anita. The History and Art of Googlies. Grantsville, Maryland: Hobby House Press, 2002.
Lua MLA (8ú heag.)Ladensack, Anita. The History and Art of Googlies. Hobby House Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.