Citazione Stile APA (7a Edizione)

Petrovskibi, A. (1984). Age-group and pedagogical psychology. Progress Publishers.

Citazione stile Chigago Style (17a edizione)

Petrovskibi, A.V. Age-group and Pedagogical Psychology. Moscow: Progress Publishers, 1984.

Citatione MLA (9a ed.)

Petrovskibi, A.V. Age-group and Pedagogical Psychology. Progress Publishers, 1984.