Etzel, B. (1996). Personal information management: Tools and techniques for achieving professional effectiveness. Macmillan.
শিকাগো স্টাইলে সাইটেশনEtzel, Barbara. Personal Information Management: Tools and Techniques for Achieving Professional Effectiveness. London: Macmillan, 1996.
এমএলএ সাইটেশনEtzel, Barbara. Personal Information Management: Tools and Techniques for Achieving Professional Effectiveness. Macmillan, 1996.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.