Denham, P. Assessment of English language proficiency of Indonesians and the effect of linguistic background and attitudes on performance. International Development Program of Australian Universities and Colleges.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Denham, P.A. Assessment of English Language Proficiency of Indonesians and the Effect of Linguistic Background and Attitudes on Performance. International Development Program of Australian Universities and Colleges.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Denham, P.A. Assessment of English Language Proficiency of Indonesians and the Effect of Linguistic Background and Attitudes on Performance. International Development Program of Australian Universities and Colleges.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.