European Network on Longitudinal Studies on Individual Development & Magnusson, D. (1989). Problems and methods in longitudinal research: Stability and change. Cambridge University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)European Network on Longitudinal Studies on Individual Development و David Magnusson. Problems and Methods in Longitudinal Research: Stability and Change. Cambridge: Cambridge University Press, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)European Network on Longitudinal Studies on Individual Development و David Magnusson. Problems and Methods in Longitudinal Research: Stability and Change. Cambridge University Press, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.