Al-Khaldi, H. T., & unknown. (1982). Drivers' attitudes and their relationship to accident involvement in Saudi Arabia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Khaldi, Hamad Thawab, و unknown. Drivers' Attitudes and Their Relationship to Accident Involvement in Saudi Arabia. 1982.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Al-Khaldi, Hamad Thawab, و unknown. Drivers' Attitudes and Their Relationship to Accident Involvement in Saudi Arabia. 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.