Aldalalah, O. A. (2010). Effects Of Modality And Redundancy Principles On The Learning Of Music Theory And Attitude Among Primary Pupils Of Different Aptitudes In Jordan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Aldalalah, Osamah Ahmad. Effects Of Modality And Redundancy Principles On The Learning Of Music Theory And Attitude Among Primary Pupils Of Different Aptitudes In Jordan. 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Aldalalah, Osamah Ahmad. Effects Of Modality And Redundancy Principles On The Learning Of Music Theory And Attitude Among Primary Pupils Of Different Aptitudes In Jordan. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.