Elementary Teachers' Federation of Ontario & Barrett, J. (2000). Kindergarten years: Learning through play. Elementary Teachers' Federation of Ontario].
Citazione stile Chigago Style (17a edizione)Elementary Teachers' Federation of Ontario e Joan Barrett. Kindergarten Years: Learning Through Play. [Ontario: Elementary Teachers' Federation of Ontario], 2000.
Citatione MLA (9a ed.)Elementary Teachers' Federation of Ontario e Joan Barrett. Kindergarten Years: Learning Through Play. Elementary Teachers' Federation of Ontario], 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.