Đỗ Hoài Nam-Nghiêm Thị Ngọc Lâm. (1998). Cẩm nang giám đốc. Sunshine.
শিকাগো স্টাইলে সাইটেশনĐỗ Hoài Nam-Nghiêm Thị Ngọc Lâm. Cẩm Nang Giám đốc. Sunshine, 1998.
এমএলএ সাইটেশনĐỗ Hoài Nam-Nghiêm Thị Ngọc Lâm. Cẩm Nang Giám đốc. Sunshine, 1998.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.