United Nations Institute for Training and Research. (1971). The brain drain from five developing countries: Cameroon-Colombia-Lebanon-Philippines-Trinidad and Tobago. [s.n.].
Čikaški stil citiranja (17. izdanje)United Nations Institute for Training and Research. The Brain Drain from Five Developing Countries: Cameroon-Colombia-Lebanon-Philippines-Trinidad and Tobago. New York: [s.n.], 1971.
MLA način citiranja (9. izdanje)United Nations Institute for Training and Research. The Brain Drain from Five Developing Countries: Cameroon-Colombia-Lebanon-Philippines-Trinidad and Tobago. [s.n.], 1971.
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