ebrary, Inc, & Christensen, M. (2009). Validation and test of central concepts in positive work and organizational psychology: The second report from the Nordic project Positive factors at work. Nordic Council of Ministers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و Marit Christensen. Validation and Test of Central Concepts in Positive Work and Organizational Psychology: The Second Report from the Nordic Project Positive Factors at Work. Copenhagen: Nordic Council of Ministers, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و Marit Christensen. Validation and Test of Central Concepts in Positive Work and Organizational Psychology: The Second Report from the Nordic Project Positive Factors at Work. Nordic Council of Ministers, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.