APA استشهاد

Smith, I. G. (1973). Measurement of productivity; a systems approach in the context of productivity agreements. Gower press.

استشهاد بنمط شيكاغو

Smith, Ian G. Measurement of Productivity; a Systems Approach in the Context of Productivity Agreements. Epping: Gower press, 1973.

MLA استشهاد

Smith, Ian G. Measurement of Productivity; a Systems Approach in the Context of Productivity Agreements. Gower press, 1973.