Research Institute of Telecommunications and Economics. (1973). Research report summaries '73. Tokyo: Research Institute of Telecommunications and Economics.
শিকাগো স্টাইলে সাইটেশনResearch Institute of Telecommunications and Economics. Research Report Summaries '73. Tokyo: Research Institute of Telecommunications and Economics, 1973.
এমএলএ সাইটেশনResearch Institute of Telecommunications and Economics. Research Report Summaries '73. Tokyo: Research Institute of Telecommunications and Economics, 1973.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.