Brdulak, A., & Brdulak, H. (2020). Happy City - How to Plan and Create the Best Livable Area for the People. 1st ed. 2017. Springer International Publishing.
استشهاد بنمط شيكاغوBrdulak, Anna, و Halina Brdulak. Happy City - How to Plan and Create the Best Livable Area for the People. 1st Ed. 2017. Springer International Publishing, 2020.
MLA استشهادBrdulak, Anna, و Halina Brdulak. Happy City - How to Plan and Create the Best Livable Area for the People. 1st Ed. 2017. Springer International Publishing, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.