توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ladda Vatjanasaregagul. (2007). The relationship of service quality, consumer decision factors and brand equity. Nova Southeastern University.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ladda Vatjanasaregagul. The Relationship of Service Quality, Consumer Decision Factors and Brand Equity. Florida: Nova Southeastern University, 2007.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Ladda Vatjanasaregagul. The Relationship of Service Quality, Consumer Decision Factors and Brand Equity. Nova Southeastern University, 2007.