Ken Zeigler. (2007). Tổ chức công việc hiệu quả =Getting organized at work. Tổng hợp.
শিকাগো স্টাইলে সাইটেশনKen Zeigler. Tổ Chức Công Việc Hiệu Quả =Getting Organized At Work. Tổng hợp, 2007.
এমএলএ সাইটেশনKen Zeigler. Tổ Chức Công Việc Hiệu Quả =Getting Organized At Work. Tổng hợp, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.