Chicago. University. College & Booth, W. C. (1967). The Knowledge most worth having. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Chicago. University. College agus Wayne C. Booth. The Knowledge Most Worth Having. Chicago: University of Chicago Press, 1967.
Lua MLA (9ú heag.)Chicago. University. College agus Wayne C. Booth. The Knowledge Most Worth Having. University of Chicago Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.