APA (7th ed.) Zitazioa

Kerr, C. (1957). Productivity and Labour Relations. productivity and progress.

Chicago Style (17th ed.) Zitazioa

Kerr, Clark. Productivity and Labour Relations. New Jersey: productivity and progress, 1957.

MLA (9th ed.) Zitazioa

Kerr, Clark. Productivity and Labour Relations. productivity and progress, 1957.

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