Gaya APA

Bertram, T., Pascal, C. (2016). Early childhood policies and systems in eight countries:findings from IEA's early childhood education study . Cham, Switzerland: Springer.

Gaya MLA

Bertram, Tony., Pascal, Chris. "Early childhood policies and systems in eight countries:findings from IEA's early childhood education study". Cham, Switzerland: Springer, 2016. Electronic Resource.