Ostle, B. (1966). Statistics in research: Basic concepts and techniques for research workers (2nd ed.). Oxford.
استشهاد بنمط شيكاغوOstle, Bernard. Statistics in Research: Basic Concepts and Techniques for Research Workers. 2nd ed. Calcutta: Oxford, 1966.
MLA استشهادOstle, Bernard. Statistics in Research: Basic Concepts and Techniques for Research Workers. 2nd ed. Oxford, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.