Abdul Razak, F. A. (2013). The effect of internal focus and external focus instruction in improving novices overhand volleyball serve / Fatin Aqilah Abdul Razak.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdul Razak, Fatin Aqilah. The Effect of Internal Focus and External Focus Instruction in Improving Novices Overhand Volleyball Serve / Fatin Aqilah Abdul Razak. 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdul Razak, Fatin Aqilah. The Effect of Internal Focus and External Focus Instruction in Improving Novices Overhand Volleyball Serve / Fatin Aqilah Abdul Razak. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.