Volker, L. (2010). Deciding about design quality: Value judgements and decision making in the selection of architects by public clients under European tendering regulations. Sidestone Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Volker, Leentje. Deciding About Design Quality: Value Judgements and Decision Making in the Selection of Architects by Public Clients Under European Tendering Regulations. Leiden: Sidestone Press, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Volker, Leentje. Deciding About Design Quality: Value Judgements and Decision Making in the Selection of Architects by Public Clients Under European Tendering Regulations. Sidestone Press, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.