Sheila Marina Sappathy. (2010). The effects of negotiated interaction on L2 vocabulary acquisition among primary ESL learners.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sheila Marina Sappathy. The Effects of Negotiated Interaction on L2 Vocabulary Acquisition Among Primary ESL Learners. 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sheila Marina Sappathy. The Effects of Negotiated Interaction on L2 Vocabulary Acquisition Among Primary ESL Learners. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.