Loveall, P. W. (1979). The relationship between cognitive style and achievement as measured by the old and new forms of the tests of General educational development. Northern Illinois University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Loveall, Philip W. The Relationship Between Cognitive Style and Achievement as Measured by the Old and New Forms of the Tests of General Educational Development. Dekalb, Illinois: Northern Illinois University, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Loveall, Philip W. The Relationship Between Cognitive Style and Achievement as Measured by the Old and New Forms of the Tests of General Educational Development. Northern Illinois University, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.