United States. Department of State. Office of External Research & United States. Central Intelligence Agency. (1972). Who's who in North Vietnam. The Office?.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of State. Office of External Research و United States. Central Intelligence Agency. Who's Who in North Vietnam. [Washington?: The Office?, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of State. Office of External Research و United States. Central Intelligence Agency. Who's Who in North Vietnam. The Office?, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.