Clements, D. H., & Sarama, J. Engaging young children in mathematics standards for early childhood mathematics education.
芝加哥风格引文Clements, Douglas H., 与 Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.
MLA引文Clements, Douglas H., 与 Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.
警告：这些引文格式不一定是100％准确.