CLEMENTS, D. H. (2021). Learning and teaching early math: : the learning trajectories approach. Routledge.
芝加哥风格引文CLEMENTS, Douglas H. Learning and Teaching Early Math: : The Learning Trajectories Approach. Routledge, 2021.
MLA引文CLEMENTS, Douglas H. Learning and Teaching Early Math: : The Learning Trajectories Approach. Routledge, 2021.
警告：这些引文格式不一定是100％准确.