Potyagaylov S. V. Sergey Vitalyevich, Baryshev G, & Zeremskaya Yu. A. Yuliya Aleksandrovna. (2015). Human happiness achievement by scientific methods. 2015.
Citazione stile Chigago Style (17a edizione)Potyagaylov S. V. Sergey Vitalyevich, Baryshev G, e Zeremskaya Yu. A. Yuliya Aleksandrovna. Human Happiness Achievement by Scientific Methods. 2015, 2015.
Citatione MLA (9a ed.)Potyagaylov S. V. Sergey Vitalyevich, et al. Human Happiness Achievement by Scientific Methods. 2015, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.