Gaya APA

Bertram, T., Pascal, C. (2016). Early Childhood Policies and Systems in Eight Countries: Findings from IEA's Early Childhood Education Study . Switzerland: Springer Open.

Gaya MLA

Bertram, Tony., Pascal, Chris. "Early Childhood Policies and Systems in Eight Countries: Findings from IEA's Early Childhood Education Study". Switzerland: Springer Open, 2016. E-book.