R P John & Robert, D. C. (1989). Mechanism of Job Stress And Strain. John Wiley.
Chicago Style aipamenaR P John and D Caplan Robert. Mechanism of Job Stress And Strain. Chilchester: John Wiley, 1989.
MLA aipamenaR P John and D Caplan Robert. Mechanism of Job Stress And Strain. John Wiley, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.