Chew, M. L. (1991). Developing a screening instrument for identifying primary school children with potential speech and language disorders.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chew, May Loon. Developing a Screening Instrument for Identifying Primary School Children with Potential Speech and Language Disorders. 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chew, May Loon. Developing a Screening Instrument for Identifying Primary School Children with Potential Speech and Language Disorders. 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.