Prawl, W., Medlin, R., & Gross, J. (1984). Adult and continuing education through the Cooperative Extension Service. Extension Division, University of Missouri-Columbia.
Čikaški stil citiranja (17. izdanje)Prawl, Warren, Roger Medlin, i John Gross. Adult and Continuing Education Through the Cooperative Extension Service. Columbia, Mo.: Extension Division, University of Missouri-Columbia, 1984.
MLA način citiranja (8. izdanje)Prawl, Warren, et al. Adult and Continuing Education Through the Cooperative Extension Service. Extension Division, University of Missouri-Columbia, 1984.
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