Παραπομπή APA

Research Institute of Telecommunications and Economics. Research report summaries '71. Tokyo: Research Institute of Telecommunications and Economics.

Παραπομπή Chicago Style

Research Institute of Telecommunications and Economics. Research Report Summaries '71. Tokyo: Research Institute of Telecommunications and Economics.

Παραπομπή MLA

Research Institute of Telecommunications and Economics. Research Report Summaries '71. Tokyo: Research Institute of Telecommunications and Economics.

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