APA aipamena

VEER, R. V. D. (2011). Lev Vygotsky. Bloombury.

Chicago Style aipamena

VEER, Rene Van Der. Lev Vygotsky. Bloombury, 2011.

MLA aipamena

VEER, Rene Van Der. Lev Vygotsky. Bloombury, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.