(1988). Highway Safety At The Crossroads, Proceedings Of Conference Sponsored By Highway Division Of The American Society Of Civil Enfgineers In.. ASCE.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Highway Safety At The Crossroads, Proceedings Of Conference Sponsored By Highway Division Of The American Society Of Civil Enfgineers In.. ASCE, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Highway Safety At The Crossroads, Proceedings Of Conference Sponsored By Highway Division Of The American Society Of Civil Enfgineers In.. ASCE, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.