Gaya APA
Engeness, I. (2021).
P.Y. Galperin's Development of Human Mental Activity (1st ed. 2021).
:
Springer International Publishing.
Gaya MLA
Engeness, Irina.
"P.Y. Galperin's Development of Human Mental Activity".
1st ed. 2021
:
Springer International Publishing,
2021.
Electronic Resource.