Instituto Brasileiro de Informação em Ciência e Tecnologia

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Não informado. (1953). Review of the Electrical Communication Laboratories. Nippon Telegraph and Telephone Corporation.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Não informado. Review of the Electrical Communication Laboratories. Tokyo: Nippon Telegraph and Telephone Corporation, 1953.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Não informado. Review of the Electrical Communication Laboratories. Nippon Telegraph and Telephone Corporation, 1953.