Research Institute of Telecommunications and Economics. (1973). Research report summaries '73. Tokyo: Research Institute of Telecommunications and Economics.
शिकागो स्टाइल उद्धरणResearch Institute of Telecommunications and Economics. Research Report Summaries '73. Tokyo: Research Institute of Telecommunications and Economics, 1973.
एमएलए उद्धरणResearch Institute of Telecommunications and Economics. Research Report Summaries '73. Tokyo: Research Institute of Telecommunications and Economics, 1973.
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