Não informado. (1959). Japanese Railway Engineering. Japan Railway Engineers Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Japanese Railway Engineering. Tokyo: Japan Railway Engineers Association, 1959.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Japanese Railway Engineering. Japan Railway Engineers Association, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.