Institute of Service Excellence, S. (2018). Customer Satisfaction Index of Singapore 2018: Q2 Results. Institutional Knowledge at Singapore Management University.
استشهاد بنمط شيكاغوInstitute of Service Excellence, SMU. Customer Satisfaction Index of Singapore 2018: Q2 Results. Institutional Knowledge at Singapore Management University, 2018.
MLA استشهادInstitute of Service Excellence, SMU. Customer Satisfaction Index of Singapore 2018: Q2 Results. Institutional Knowledge at Singapore Management University, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.