Worcester, D. A. (1976). Unemployment as a consequence of unrecognized external economics in the labor markets [microform]. Photoduplication Service, University of the Philippines.
Čikaški stil citiranja (17. izdanje)Worcester, Dean Amory. Unemployment as a Consequence of Unrecognized External Economics in the Labor Markets [microform]. Quezon City: Photoduplication Service, University of the Philippines, 1976.
MLA način citiranja (9. izdanje)Worcester, Dean Amory. Unemployment as a Consequence of Unrecognized External Economics in the Labor Markets [microform]. Photoduplication Service, University of the Philippines, 1976.
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