Tok, H. S. (2006). Cooperative learning and achievement in english language acquisition in a literature class in a secondary school.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tok, Hoon Seng. Cooperative Learning and Achievement in English Language Acquisition in a Literature Class in a Secondary School. 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tok, Hoon Seng. Cooperative Learning and Achievement in English Language Acquisition in a Literature Class in a Secondary School. 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.