Metcalf, K. D., Russell, J. D., & Osborn, A. D. (1943). The program of instruction in library schools. University of Illinois Press.
Chicago (17e ed.) BronvermeldingMetcalf, Keyes DeWitt, John Dale Russell, en Andrew Delbridge Osborn. The Program of Instruction in Library Schools. Urbana, IL: University of Illinois Press, 1943.
MLA (9e ed.) BronvermeldingMetcalf, Keyes DeWitt, et al. The Program of Instruction in Library Schools. University of Illinois Press, 1943.
Let op: Deze citaties zijn niet altijd 100% accuraat.