Lua APA (7ú heag.)

TRACEY, W. R. (1981). Human resource development standards. Amacom.

Lua i Stíl Chicago (17ú heag.)

TRACEY, William R. Human Resource Development Standards. New York: Amacom, 1981.

Lua MLA (9ú heag.)

TRACEY, William R. Human Resource Development Standards. Amacom, 1981.

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