Lua APA (7ú heag.)

Pfeiffer, J. W. (1987). The 1987 annual: Developing human resources (The sixteenth annual). University Associates.

Lua i Stíl Chicago (17ú heag.)

Pfeiffer, J William. The 1987 Annual: Developing Human Resources (The Sixteenth Annual). California: University Associates, 1987.

Lua MLA (8ú heag.)

Pfeiffer, J William. The 1987 Annual: Developing Human Resources (The Sixteenth Annual). University Associates, 1987.

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