Sheldrick, R. C., & Perrin, E. C. (2013). Evidence-Based Milestones for Surveillance of Cognitive, Language, and Motor Development.
استشهاد بنمط شيكاغوSheldrick, R. Christopher, و Ellen C. Perrin. Evidence-Based Milestones for Surveillance of Cognitive, Language, and Motor Development. 2013.
MLA استشهادSheldrick, R. Christopher, و Ellen C. Perrin. Evidence-Based Milestones for Surveillance of Cognitive, Language, and Motor Development. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.