Παραπομπή APA

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.

Παραπομπή Chicago Style

Brdulak, Anna, και Halina Brdulak. Happy City - How to Plan and Create the Best Livable Area for the People. 1st Ed. 2017. Springer International Publishing, 2020.

Παραπομπή MLA

Brdulak, Anna, και Halina Brdulak. Happy City - How to Plan and Create the Best Livable Area for the People. 1st Ed. 2017. Springer International Publishing, 2020.

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