APA استشهاد

Clark, M. M. E., & Waller, T. E. (2007). Early childhood education and care: Policy and practice.

استشهاد بنمط شيكاغو

Clark, Margaret M; Editor, و Tim; Editor Waller. Early Childhood Education and Care: Policy and Practice. California, Sage Publications Inc, 2007.

MLA استشهاد

Clark, Margaret M; Editor, و Tim; Editor Waller. Early Childhood Education and Care: Policy and Practice. 2007.