Kohen-Raz, R. (1969). Developmental patterns of static balance ability and their relation to cognitive school readiness: Final report. U.S. Dept. of Health, Education, and Welfare.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kohen-Raz, Reuben. Developmental Patterns of Static Balance Ability and Their Relation to Cognitive School Readiness: Final Report. [Washington]: U.S. Dept. of Health, Education, and Welfare, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kohen-Raz, Reuben. Developmental Patterns of Static Balance Ability and Their Relation to Cognitive School Readiness: Final Report. U.S. Dept. of Health, Education, and Welfare, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.