Ciullo, P. A., & Hewitt, N. (1999). The rubber formulary. Noyes Publications.
Lua i Stíl Chicago (17ú heag.)Ciullo, Peter A., agus Norman Hewitt. The Rubber Formulary. Norwich, N.Y: Noyes Publications, 1999.
Lua MLA (8ú heag.)Ciullo, Peter A., agus Norman Hewitt. The Rubber Formulary. Noyes Publications, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.