Azlizam Aziz. (2002). An evaluation of the attractiveness of Langkawi Island as a domestic tourist destination based on the importance and perceptions on different types of attractions. Michigan State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Azlizam Aziz. An Evaluation of the Attractiveness of Langkawi Island as a Domestic Tourist Destination Based on the Importance and Perceptions on Different Types of Attractions. Ann Arbor, Michigan: Michigan State University, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Azlizam Aziz. An Evaluation of the Attractiveness of Langkawi Island as a Domestic Tourist Destination Based on the Importance and Perceptions on Different Types of Attractions. Michigan State University, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.