Hamidah binti Ayob. (2017). Consumer protection in Muslim friendly hospitality services with special reference to travel agencies services. International Institute for Halal Research and Training, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hamidah binti Ayob. Consumer Protection in Muslim Friendly Hospitality Services with Special Reference to Travel Agencies Services. Kuala Lumpur: International Institute for Halal Research and Training, International Islamic University Malaysia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hamidah binti Ayob. Consumer Protection in Muslim Friendly Hospitality Services with Special Reference to Travel Agencies Services. International Institute for Halal Research and Training, International Islamic University Malaysia, 2017.