ROSS RANDALL. (1994). INTERVENTIONAL OCCUPATIONAL STRESS. SAGE PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)ROSS RANDALL. INTERVENTIONAL OCCUPATIONAL STRESS. NEW DELHI: SAGE PUBLICATIONS, 1994.
Lua MLA (9ú heag.)ROSS RANDALL. INTERVENTIONAL OCCUPATIONAL STRESS. SAGE PUBLICATIONS, 1994.
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