Barber, T. X. (1976). Pitfalls in human research: Ten pivotal points. Pergamon Press.
Čikaški stil citiranja (17. izdanje)Barber, Theodore Xenophon. Pitfalls in Human Research: Ten Pivotal Points. New York: Pergamon Press, 1976.
MLA način citiranja (9. izdanje)Barber, Theodore Xenophon. Pitfalls in Human Research: Ten Pivotal Points. Pergamon Press, 1976.
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