Spens, K. (2001). Managing critical resources through supply network management: A study of the Finnish blood supply network. Swedish School of Economics and Business Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spens, Karen. Managing Critical Resources Through Supply Network Management: A Study of the Finnish Blood Supply Network. Helsingfors: Swedish School of Economics and Business Administration, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Spens, Karen. Managing Critical Resources Through Supply Network Management: A Study of the Finnish Blood Supply Network. Swedish School of Economics and Business Administration, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.