John Shybut, Seymore Simon, & Zaporozhets, A. V. Psychology of preschool children.
Chicago Edition CitationJohn Shybut, Seymore Simon, i A. V. Zaporozhets. Psychology of Preschool Children.
Cita MLAJohn Shybut, et al. Psychology of Preschool Children.
Atenció: Aquestes cites poden no estar 100% correctes.