University of Ho Chi Minh City. (1992). Guide to letters of credit. Tp. Hồ Chí Minh: University of Ho Chi Minh City.
استشهاد بنمط شيكاغوUniversity of Ho Chi Minh City. Guide to Letters of Credit. Tp. Hồ Chí Minh: University of Ho Chi Minh City, 1992.
MLA استشهادUniversity of Ho Chi Minh City. Guide to Letters of Credit. Tp. Hồ Chí Minh: University of Ho Chi Minh City, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.