R P John & Robert, D. C. (1989). Mechanism of Job Stress And Strain. John Wiley.
Čikaški stil citiranjaR P John i D Caplan Robert. Mechanism of Job Stress And Strain. Chilchester: John Wiley, 1989.
MLA način citiranjaR P John i D Caplan Robert. Mechanism of Job Stress And Strain. John Wiley, 1989.
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