Krekel, C., Swanke, S., De Neve, J., & Fancourt, D. (2023). Happiness predicts compliance with preventive health behaviours during COVID-19 lockdowns. Springer Nature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Krekel, C., S. Swanke, J-E De Neve, و D. Fancourt. Happiness Predicts Compliance with Preventive Health Behaviours During COVID-19 Lockdowns. Springer Nature, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Krekel, C., et al. Happiness Predicts Compliance with Preventive Health Behaviours During COVID-19 Lockdowns. Springer Nature, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.