Hays, W. L., & Willam M Petrusic. (1966). Exercise to accompany statistics for psychologists. Holt Rinehart.
استشهاد بنمط شيكاغوHays, William L., و Willam M Petrusic. Exercise to Accompany Statistics for Psychologists. New York: Holt Rinehart, 1966.
MLA استشهادHays, William L., و Willam M Petrusic. Exercise to Accompany Statistics for Psychologists. Holt Rinehart, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.