Schroeder, K. (2020). Politics of Gross National Happiness. 1st ed. 2018. Springer International Publishing.
Trích dẫn kiểu ChicagoSchroeder, Kent. Politics of Gross National Happiness. 1st Ed. 2018. Springer International Publishing, 2020.
MLA citiranjeSchroeder, Kent. Politics of Gross National Happiness. 1st Ed. 2018. Springer International Publishing, 2020.
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