Rihal, S. S. (2001). Relationship between certain objective performance measures and subjective usability. Texas A & M University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rihal, Saravjit Singh. Relationship Between Certain Objective Performance Measures and Subjective Usability. College Station, TX: Texas A & M University, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rihal, Saravjit Singh. Relationship Between Certain Objective Performance Measures and Subjective Usability. Texas A & M University, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.