Rafael, E. F. (2013). Technology as a social system: A system theoretical conceptualization. Philippine Sociological Review.
Čikaški stil citiranja (17. izdanje)Rafael, Erwin F. "Technology as a Social System: A System Theoretical Conceptualization." Philippine Sociological Review 2013.
MLA način citiranja (9. izdanje)Rafael, Erwin F. "Technology as a Social System: A System Theoretical Conceptualization." Philippine Sociological Review, 2013.
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