(2021). Before- and after-school physical activity programs: Frameworks, critical issues, and underserved populations / edited by Risto Marttinen, Erin E. Centeio, and Thomas Quarmby.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Before- and After-school Physical Activity Programs: Frameworks, Critical Issues, and Underserved Populations / Edited by Risto Marttinen, Erin E. Centeio, and Thomas Quarmby. 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Before- and After-school Physical Activity Programs: Frameworks, Critical Issues, and Underserved Populations / Edited by Risto Marttinen, Erin E. Centeio, and Thomas Quarmby. 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.