Naunton, J., & Nguyễn Văn Phước. (2002). Head for business: Student's book and workbook. Tp.HCM: Thống kê.
استشهاد بنمط شيكاغوNaunton, Jon., و Nguyễn Văn Phước. Head for Business: Student's Book and Workbook. Tp.HCM: Thống kê, 2002.
MLA استشهادNaunton, Jon., و Nguyễn Văn Phước. Head for Business: Student's Book and Workbook. Tp.HCM: Thống kê, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.