Winfrey, W. E. (1976). A study of the effects of personality, subculture and place of residence on college student recreation participation. North Texas State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Winfrey, William E. A Study of the Effects of Personality, Subculture and Place of Residence on College Student Recreation Participation. Denton, Tex.: North Texas State University, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Winfrey, William E. A Study of the Effects of Personality, Subculture and Place of Residence on College Student Recreation Participation. North Texas State University, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.