Smith, I. G. (1973). Measurement of productivity: A system approach in the context of productivity agreements. Gower.
استشهاد بنمط شيكاغوSmith, Ian G. Measurement of Productivity: A System Approach in the Context of Productivity Agreements. Great Britain: Gower, 1973.
MLA استشهادSmith, Ian G. Measurement of Productivity: A System Approach in the Context of Productivity Agreements. Gower, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.