Παραπομπή APA

Allard, R. (1971). Productivity measurement: A symposium for the seventies. London: Institute of Personnel Management.

Παραπομπή Chicago Style

Allard, Raymond. Productivity Measurement: A Symposium for the Seventies. London: Institute of Personnel Management, 1971.

Παραπομπή MLA

Allard, Raymond. Productivity Measurement: A Symposium for the Seventies. London: Institute of Personnel Management, 1971.

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