DUKES, C. S. (2014). Provision and progress for two year olds. SAGE.
Cita Chicago (17th ed.)DUKES, Chris Smith. Provision and Progress for Two Year Olds. SAGE, 2014.
Cita MLA (9th ed.)DUKES, Chris Smith. Provision and Progress for Two Year Olds. SAGE, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.