DUKES, C. S. (2014). Provision and progress for two year olds. SAGE.
芝加哥风格引文DUKES, Chris Smith. Provision and Progress for Two Year Olds. SAGE, 2014.
MLA引文DUKES, Chris Smith. Provision and Progress for Two Year Olds. SAGE, 2014.
警告：这些引文格式不一定是100％准确.