Karlin, B., & Isely, R. B. (1984). Developing and using audio-visual materials in water supply and sanitation programs. WASH.
Čikaški stil citiranja (17. izdanje)Karlin, Barry, i Raymond B. Isely. Developing and Using Audio-visual Materials in Water Supply and Sanitation Programs. Arlington, Va: WASH, 1984.
MLA način citiranja (9. izdanje)Karlin, Barry, i Raymond B. Isely. Developing and Using Audio-visual Materials in Water Supply and Sanitation Programs. WASH, 1984.
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