Rajagopal, S. (1976). A study of the role of attitudes and motivation in the acquisition of English as a second language by fifth-form Malay medium pupils in Selangor.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rajagopal, Subramaniam. A Study of the Role of Attitudes and Motivation in the Acquisition of English as a Second Language by Fifth-form Malay Medium Pupils in Selangor. Kuala Lumpur, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rajagopal, Subramaniam. A Study of the Role of Attitudes and Motivation in the Acquisition of English as a Second Language by Fifth-form Malay Medium Pupils in Selangor. 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.