European Cooperation in the Field of Scientific and Technical Research (Organization). COST Action G9 (Project), ebrary, Inc, Zevenbergen, J. A., Frank, A. U., & Stubkjær, E. (2007). Real property transactions: Procedures, transaction costs and models. IOS Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)European Cooperation in the Field of Scientific and Technical Research (Organization). COST Action G9 (Project), Inc ebrary, J. A. Zevenbergen, Andrew U. Frank, و Erik Stubkjær. Real Property Transactions: Procedures, Transaction Costs and Models. Amsterdam: IOS Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)European Cooperation in the Field of Scientific and Technical Research (Organization). COST Action G9 (Project), et al. Real Property Transactions: Procedures, Transaction Costs and Models. IOS Press, 2007.