Douglas, J. E. (1980). Successful seed programs: A planning and management guide. Westview Press.
Čikaški stil citiranjaDouglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Boulder, Colo.: Westview Press, 1980.
MLA način citiranjaDouglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Westview Press, 1980.
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