Lua APA (7ú heag.)

ARNOLD JOHN. (1996). WORK PSYCHOLOGY. MACMILLAN.

Lua i Stíl Chicago (17ú heag.)

ARNOLD JOHN. WORK PSYCHOLOGY. NEW DELHI: MACMILLAN, 1996.

Lua MLA (9ú heag.)

ARNOLD JOHN. WORK PSYCHOLOGY. MACMILLAN, 1996.

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