Curtsdotter, A., & Sunnerud, S. (2014). Extinctions in ecological communities: Direct and indirect effects of perturbation on biodiversity. Linkoping University Institute of Technology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Curtsdotter, Alva, و Staffan Sunnerud. Extinctions in Ecological Communities: Direct and Indirect Effects of Perturbation on Biodiversity. Linkoping, Sweden: Linkoping University Institute of Technology, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Curtsdotter, Alva, و Staffan Sunnerud. Extinctions in Ecological Communities: Direct and Indirect Effects of Perturbation on Biodiversity. Linkoping University Institute of Technology, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.