Metcalf, K. D., Russell, J. D., & Osborn, A. D. (1943). The program of instruction in library schools. University of Illinois Press.
Lua i Stíl Chicago (17ú heag.)Metcalf, Keyes DeWitt, John Dale Russell, agus Andrew Delbridge Osborn. The Program of Instruction in Library Schools. Urbana, IL: University of Illinois Press, 1943.
Lua MLA (9ú heag.)Metcalf, Keyes DeWitt, et al. The Program of Instruction in Library Schools. University of Illinois Press, 1943.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.