Feynman R P. (1992). Surely your Jocking Mr. Feynman ! Vintage Books.
Lua i Stíl Chicago (17ú heag.)Feynman R P. Surely Your Jocking Mr. Feynman ! London: Vintage Books, 1992.
Lua MLA (9ú heag.)Feynman R P. Surely Your Jocking Mr. Feynman ! Vintage Books, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.