Fey, R. H. B. (1992). Steady-state behaviour of reduced dynamic systems with local nonlinearities. TNO Building and Construction Research : Eindhoven University of Technology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fey, Robertus Henricus Barbara. Steady-state Behaviour of Reduced Dynamic Systems with Local Nonlinearities. [Eindhoven]: TNO Building and Construction Research : Eindhoven University of Technology, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Fey, Robertus Henricus Barbara. Steady-state Behaviour of Reduced Dynamic Systems with Local Nonlinearities. TNO Building and Construction Research : Eindhoven University of Technology, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.